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Mathematics Questions and Answers May 24, 2021

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F= 17 M= 305 L= 9 Student number a = F/ b=[M/100] +[(M-30D)/10] o= L Sifly less than 5:00 , use (5+ ) =0 12SP QUESTION1 CALCULATE the do, CH1,d2, as coefficients the 3rd polynomial Regression for the given data set. CALCULATE Sh Sy, Syk, St and F a 2,40 b C Daylight 34,00 115,00 314.10 438.41 680.14 Evening y: 750 37,00 171-60 270.12 [25p]

please with details,thank you 3. (a) Partition the random vector X, and its covariance matrix E, as follows: X = X1 Ell E12 X 2 E = E21 _22 Assuming Ezz is non-singular, define Y = X1 - E12Ez X2 Y2 X 2 Write Y in the form CX and define C. What is the determinant of C? What is the covariance of Y, and Yz?(b) X = (X1, X2, X3)' follows a multivariate

According to an Ipsos poll, the perception of unfair- ness in the U.S. tax code is spread fairly evenly across income groups, age groups, and education levels. In an April 2006 survey of 1,005 adults, Ipsos reported that almost 60% of all people said the code is unfair, while slightly more than 60% of those making more than $50,000 viewed the code

Captions Index Table of Authorities 5 Points If $1595 is invested at 8.7% for 25 years, find the future value if the interest is compounded continuously. Write the answer without the dollar sign and round to the nearest hundredths/cents. For help please click here 24. Question 24 5 Points Home Depot offers an installment loan at 14.49% (add-on

How to solve this problem and answer for it please! Chap9Sec5: Problem 5 Previous Problem List Next (1 point) Find the interval of convergence for the power series n(x - 5)" 32n n=2 interval of convergence = (Enter your answer as an interval: thus, if the interval of convergence were -3

The National Institute of Mental Health published an article stating that in any one year period, approximately 9.5% of American adults suffer from depression or a depressive illness. Suppose that in a survey of 100 people in Happyville, 7% of them suffered from depression or a depressive illness. We need to determine if this is sufficient

21. A common method for training a puppy to sit on command is to use a small treat. It was reported that $7% of puppies learn to sit on command using treats. A random sample of 70 pet parents were surveyed, and 42 of them said that they trained their puppy using treats. Conduct a hypothesis test at

Fifty consumers were surveyed about their movie watching habits. They were asked to rank the likelihood that they would participate in each listed activity. The results are summarized in the table below. Rankings Stream online 2 2 Go to a theater 3 1 3 2 Rent a Blu-ray disc or DVD 1 2 2 3 3 Number of votes: 8 12 16 7 7 Using the Borda Count method

Help needed! Question is attached below for your reference, please provide all steps: Thank you so much :) 5. Red blood cells have a normal lifespan of three to four months. Bilirubin is a component generated by the breakdown of hemoglobin and is irther processed in the liver. Bilirubin contains a yellow pigment buildup of bilirubin in the body

.............. 6. GO A particle that has an 8.2 juC charge moves with a velocity of mag- nitude 5.0 X 105 m/s along the +x axis. It experiences no magnetic force, although there is a magnetic field present. The maximum possible mag- netic force that the charge could experience has a magnitude of 0.48 N. Find the magnitude and direction of the

Question 18 (5 points) The time T, it take Bob to biked to work varies inversely as his cadence R (Rate of pedaling in revolutions per minute) Give the general equation, us a lower case k for the constant of variation. If is cadence is 50 RPM's it take him 42 minutes to bike to work. Q/ U Find the constant of variation. Q/ D How long would it take

III. A standardized test was given to a two groups of seven students who went to high school either in the country or the city; the data are presented In 'lable E. Table E. The effect of school location on test scores (96). Countryschools Cityschools 57 55 46 61 46 42 571 7 7 e4 7 7 42 51 44 61 579 7 7 (756 7 7 a. Use Excel to calculate means and

1. [on points] TANAPCALCBR105.6.05.M.. Resale Value Garland Mills purchased a certain piece of machinery 4 years ago for $500,000. Its present resale value is $240,000. Assuming that the machine's resale value decreases exponentially, what will it be (in dollars) 5 years from now? (Round your answer to the nearest dollar.) $ 199766 x 4. [I4

Distributions Content Quantiles Stem and Leaf 100.0% maximum 2.5500 Stem , Leaf Count 99.5% 2.5500 6 97.5% 2.5478 45 90.0% 2.3070 233 75.0% quartile 2.0150 HOWN 00111 50.0% median 1.7700 88888999999 25.0% quartile 1.6325 6666777777 10 10.0% 1.2530 4455 2.5% 0.7232 0.5% 0.7200 2 0.0% minimum 0.7200 7 017 represents 0.7 In this case, the values have

5. Let W be a subspace of R" and W- := {x e R" : xy = 0 for all y E W } be its orthogonal complement. Since R" = WOW-, we may define P : R" -> R" by Pv = w where v = w + w with we W and w' E W-. We will see that this gives another way to define projection onto W. (a) Show that P is an orthogonal projection and im(P) = W. (b) Show that such a P is

Please solve complete problem. I need complete step by step solution. Book: Fundamental of differential equation 3. Consider the equation y(t) 6y\"(t) + 11y 6y(t) = 0. Let x = [y, v, "]. Let A be the matrix 0 1 0 0o 0 1 6 ~11 6 (a) Compute Ax. State its connection with x'. (b) Compute the characteristic polynomial of A. Show work for credit, (c)

Hello! Could you help me solve these questions? 3. 3615 4. 4. 3635 5. 2635 006 10.0 points Find lim ry cos(x - 3y). (I,y)- (12,4) 1. 0 5. 2. 12 3. 48 4. -12 5. 4 007 10.0 points 004 10.0 points Find lim if it exists. Suppose that (1,y) -+(2,3) J (2, y) = 8. (r,y)-+(0,0) v/x2+y2+16 - What is the value of f(2, 3) if f is continu- 1. 8 ous? 2. 16 1.

Determine the following primary trigonometric ratios for the angle whose terminal arm in standard position passes through the point (5, 21/6). State your answers in radical form (either simplified or not simplified) a) sin (0) = b) cos (0) = c) tan (0) = Determine A in the interval 180

Functionally identical machines are available from N different vendors. The lifetimes of the machines from vendor i are iid exp(i) random variables. The machines from different vendors are independent of each other. We use a "cyclic" replacement policy parameterized by a fixed positive number T as follows: suppose we are currently using a machine

QUESTION 19 1 Refer to problem 18. Now add 2 squared terms giving you a second order model. y = + 1X1 + 2X2 + 3X12 + 4X22 + . Now with n =125, SSE = 334, What is your conclusion when testing if the squared terms are significant when taken together? A. they are not significant B. they are significant C. the result is inclusive D. none of these

anwser recall: Interpolation vs. Extrapolation d (meters) 35F byextend v 30 look within 25 look outside the given 20 data of the data eg t= 2.5 eg t = s L I (second 3 4 5 2 d= to = 1215 There are three ways to solve a linear equation: a) Examine the points on a graph (using interpolation or extrapolation) b) Determining points that fit into a

How do I convert my research results into some kind of chart or graph. The results are stated below: The data was analyzed using a 2x3 (Gender x Eyewitness type) factorial design. The levels of gender factor were simplified to include female or male. Level of eyewitness status included, no witness, discredited witness, and unrefuted witness. An

please help Question 10 7 Marks The following data show the amount of fat (in ounces of fat per 100 ounces of meal) found in samples of two types of meat product from Meat Products Company. Meat 1 30 26 30 19 25 37 27 38 20 31 Meat 2 40 34 28 29 26 28 37 36 42 Test if the meats have different fat contents ie. tost if A, w /, ? Let the significance

A presidential candidate's aide estimates that, among all college students, theproportion p who intend to vote in the upcoming election is at least60% . If148 out of a random sample of250 college students expressed an intent to vote, can we reject the aide's estimate at the0.05 level of significance? Carry your intermediate computations to at

To meet a 99% service objective, you would need to set the inventory at roughly 2 or 3 standard deviations above the mean. (Mean and standard deviation here refer to the demand for the product.) The standard deviation of the total demand is given by Ttotal = Vwalk-in + phone + 20walk-inphone?, where walk-in, phone are the standard deviations for

A research student is working with a culture of bacteria that doubles in size every twelve minutes. The initial population count was 4 bacteria. Write an exponential equation representing this situation. Use to represent hours. If you use the exponential function Pgekt, round your value for k to 4 decimal places. P(t) = To the nearest whole

3. A parts manufacturer pays its full time employees a weekly base salary plus a per piece/part rate. The pay rate is shown in the function below where x is the number of parts assembled by the employee. f(x) = 400+ 2x when x $ 100 If(x) = 400+ 3x when x > 100 a) Find f(80) Hint: this means x = 80 parts assembled b) Find f(100) c) Find f(102) d)

Problem 3. is this correct..? You are playing the one-armed bandit (slot machine).There are three wheels, and on each wheel there is a picture of a lemon, a plum, an apple, an orange, a pear, cherries, and a banana (seven different pictures). You insert your silver dollar and pull down the lever.What is the probability that a.Three oranges will

a. If individuals considered "abnormal" have glucose levels outside of 1 standard deviation of the mean (above or below) , then approximately 32% (31.73 to be exact) of the individuals will need to be retested. The "normal range" of glucose level would range from (90 - 38) mg/dL to (90 + 38) mg/dL, or from 52 mg/dL to 128 mg/dL. b. If individuals

You plan to take a 1668-mile trip in your car, which averages 24 miles per gallon. How many gallons of gasoline should you expect to use? Would a car that has only half the gas mileage require twice as much gasoline for the same trip? Explain. You should expect to use about 69.5 gallons of gasoline. (Type an integer or a decimal.) Would a car that

Suppose you are a researcher in a hospital. You are experimenting with a new tranquilizer. You collect data from a random sample of 12 patients. The period of effectiveness of the tranquilizer for each patient (in hours) is as follows: 2.7 2.3 2.4 2.9 2.1 2.8 3 2.2 2 2.3 2.5 .2 What is a point estimate for the population mean length of time.

In Exercises 1-10, (a) compute the eigenvalues; (b) for each eigenvalue, compute the associated eigenvectors; (c) using HPGSystemSolver, sketch the direction field for the system, and plot the straight-line solutions; (d) for each eigenvalue, specify a corresponding straight-line solution and plot its x()- and y(r)-graphs; and (e) if the system

L'IMPARFAIT. Remplissez les blancs avec le verbe l'imparfait (12x2pts = 24 points) Question 37 (2 points) Gaston Lagaffe et le groupe Sinsemilia _____________ (TRE) les invits d'honneur de la Fte de l'environnement organise dimanche par Bruxelles Environnement-IBGE, suite la Journe mondiale de l'environnement clbre vendredi. Question 38 (2 points)

In this question, p and q are primitive statements. (a) Write out the truth table for the compound statement (((? p) ? q) ? p) ? q. (3 marks for completeness (1) and correctness (2).) (b) Find a shorter compound statement logically equivalent to the statement from part (a). What is the minimal number of primitive statements you need? (3 marks) (c)

what is the median for class 1 4. Mrs. Sparks is a 9th grade Algebra 1 teacher. She teaches three Algebra 1 courses and all the classes recently took a chapter exam. Below are the scores. Class 1 Class 2 Class 3 45 64 70 68 65 75 77 70 75 90 40 90 90 100 100 95 87 80 100 84 55 100 88 65 86 90 76 90 90 80 50 95 88 55 80 99 a. Find the mean, median

Step 3: Input, Output, Storage and Processes " You will sketch a storyboard of one of your solutions. ' You should annotate and label all of your inputs (to. clicking, buttons, database, eta), outputs (is. List of nearbyr parks), storage, and processes (Le. if then, comparing, counting, matching). ' You can do this either by hand or on Santa "

Please give me nice and clear Answers Also graph. Thanks. 3. (8 points) Find all of the zeros for the given polynomial: h(x) = x-x + 6 4. (5 points) Construct a third-degree polynomial, p(x) with zeros at 51, and -2 5. (12 points) Graph the following rational expression g(x) - 2+2x-8 2x-1 by following the steps below: a. Factor g(x) completely b.

Assume that when adults with smartphones are randomly selected, 38% use them in meetings or classes. If 6 adults smartphone users are randomly selected, answer the following questions. a) n = b) p = c) q = d) Fill in the table. (Please list x in ascending order) x P(x) 1) 2) 3) 4) 5) 6) 7) e) P(x <3)= f) P(x 3)= g) P(x>3)= h) P(x 3)= There is a

Cortisol level determinations were made on two samples of women at childbirth.Group 1 subjects underwent emergency cesarean section following induced labor.Group 2 subjects delivered by either cesarean section or the vaginal route following spontaneous labor.The samples sizes, mean cortisol levels, and standard deviations were as follows: Sample N

Print-O-Matic printing company's employees have salaries that are contained in the table below: Employee Salary ($) CEO 272,500 Driver 58,456 CD74 100,702 CD65 57,380 Embellisher 73,877 Folder 65,270 GTO 74,235 Handwork 52,718 Horizon 64,553 Mgmt 108,448 Platens 69,573 Polar 75,526 Pre Press Manager 108,448 Pre Press Manager/IT 98,837 Pre

solve these questions: According to the journal Chemical Engineering, an important property of a fiber is its water absorbency. A random sample of 20 pieces of cotton fiber was taken and the absorbency on each piece was measured. The following are the absorbency values: 18.71 21.41 20.72 21.81 19.29 22.43 20.17 23.71 19.44 20.50 18.92 20.33 23.00

Please help me my homework Q6) An object is released from rest (its initial velocity is zero) from the Empire State Building at a height of 1250 ft above street level (Figure Ex-26). The height of the object can be modeled by the position function s = f(1) = 1250 - 1612. (a) Verify that the object is still falling at t = 5 s. (b) Find the average

Please answer these functions math questions. Show all your work. | 1. Evaluate _;'[-: . given f(x) = 2x*+4 3x 1. 2. Sketch the graph of i(x) =2/3(x+ 1) 4. 3. State the domain and range of (%) =2y 3(x+1) -4 4. Determine the equation of the quadratic function having zeros at x=3 and x=7 and passes through the point (2,5). 5. State the restrictions

2. For each of the following statements, determine whether the statement is true or false. Prove the statement directly from the definitions if it is true, and give a counterexample if it is false. i. The sum of any three consecutive integers is divisible by 3. ii. For all integers a. b, and , if a|b and alc, then a|(3b 5). iii. For all integers

List the zeros of the polynomial function fc] : 232 [m 2) in ascending order. Then, provide the multiplicity of each zero, and determine if the graph crosses or touches the maxis at the mintercept. First zero: Multiplicity: Touches or Crosses the axis [answer 't' or 'c'}: Second zero: Multiplicity: Touches or Crosses the axis [answer ItI or 'c'}

110 parts made from alloy 1 and 50 parts from alloy 2 were subjected to stress tests.16 parts from alloy 1 and 13 parts from alloy 2 did not pass the test. Can we reject the hypothesis that the proportion of nonpassing pars from alloy 1 is at least as large as the proportion of nonpassing parts from alloy 2 a=0.01? Assume independent samples? Q1.

AutoSave O Off) HW5_ElenaChang_510801 - Saved to this PC . Search A elenachang24067@gmail.com E X File Home Insert Design Layout References Mailings Review View Help Table Design Layout Share Comments LO X Cut Times New Rom * 12 ~ A" A Aa* A 24 AaBbCcI AaBbCcI AaBbC AaBbCc] AaBbC Find Paste Copy BIUbX x A LA Cc Replace Format Painter 1 Normal 1 No

3. Dante is making a necklace with 18 rows of tiny beads in which the number of beads per row is given by the series3+9+ 15+ 21 + ... a. If you were to write this series in summation notation, give i. the lower limit of the sum ii. the upper limit of the sum iii. the explicit formula of the series b. Find the total number of beads in the necklace.

solve these questions: A continuous random variable X that can assume values between x = 1 and x = 3 has a density function given by f(x) = 1/2. () Show that the area under the curve is equal to 1. (b) Find P(2 6). (b) What is the probability that a major repair occurs in the first year?Let X and Y denote the lengths of life, in years, of two

Please explain how you would solve these questions. I try them but my answer are wrong. Assignment 1.2: Permutations and Combinations (continued) 6. In how many different ways can person A walk to person B, passing through street intersection C, if the trip takes exactly 15 blocks? (3 marks) B C 7. Lotto 6-49 is a lottery in which a person selects

statistics A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How many subjects are needed to estimate the mean HDL cholesterol within 3 points with 99% confidence assuming s = 15.3 based on earlier studies? Suppose the doctor would be content with 90% confidence. How does the decrease in confidence affect the

Name: 15. The cost of a home is financed with a $260,000 30-year fixed-rate mortgage at 7.2%. . Find the monthly payments and the total interest for the loan. b. Prepare a loan amortization schedule for the first two months of the mortgage. Round entries to the nearest cent. Payment Number Interest Principal Loan Balance 1 2 16. Suppose that your

POPCORN A snack stand serves a small order of popcorn in a cone-shaped cup and a large order of popcorn in a cylindrical cup. 1' Find the volume of the small cup. . ,5 . 2. How many small cups of popcorn do you have to buy 3 "L :_'_'.:u'.~. to equal the amount of popcorn in a large container? T Do not perform any calculations. Explain. Bin. Which

Case: Dominguez Cheese Website Traffic Website transactions are an important segment of sales and distribution today. Dominguez Cheese manufactures and sells quality cheeses at its plant and retail store in Carson, CA. Two years ago, the company developed a website and began sales on the internet. Website sales have exceeded expectations, and

these are for practice and I need help Find the critical value zo necessary to form a confidence interval at the level of confidence shown below. C = 0.92 ZC (Round to two decimal places as needed.)Find the critical value zo necessary to form a confidence interval at the level of confidence shown below. C = 0.97 (Round to two decimal places as

Happiness Age. Many attempts have been made to relate happiness with various factors. One such study relates happiness with age and finds that holding everything else constant, people are least happy when they are in their mid-40s (The Economist, December 16, 2010). The accompanying table shows a portion of data on a respondent's age and his/her

Questions Instructions: Jesus five miracles: Changing water into wine at Cana in John 2:1-11 feeding the 5000 in John 6:5-14 Jesus walked on water in John 6:16-24 Jesus healed the blind man from birth in John 9:1-7 *Jesus healed tat paralytic at Bethesda in John 5:1-15 Assign a probability to each of the miracle (eg, .1, .01, .001 or .0001),

Consider the first-order linear system (constant coefficients a, b, and c) dot x (t)=ax(t) bu(t); y(t) = cx(t) We will consider two instances of this linear system: system S_{1} with parameters a = - 1 , b = 1 , c = 1 and system S_{2} with parameters a = - 10 , b = 10 , c = 1 . (a) Recall that the frequency-response function G(omega) for the above

1.From 6 molecules of ribulose-5-phosphate, 5 particles of glucose-6-phosphate are again recuperated. 2.Epimerization of ribulose-6-phosphate yields xylulose-5-phosphate and ribulose-5-phosphate in Pentose-phosphate pathway. These two combinations are the early phase for a movement of transketolase and transaldolase reactions. 3. The movement

Part 1: PIN Problem You are the proud owner of a new social media website! You decide that you want your users to protect their accounts using a PIN. Two different security companies come to you: Company A tells you that they can set up a 5 digit PIN where the first entry must be a capital letter (A to Z), the middle 3 entries must be integers (0

age volume district insured claims 1 1 119738 2 1 126435 3 1 124620 4 1 1 1680 156 1 2 128463 2 2 153684 3 2 169689 4 2 1 3582 400 1 3 113319 2 3 128652 3 3 135574 4 3 1 1640 233 1 4 1244 2 4 17118 3 4 19919 4 4 145277 1 1 28522 2 1 213919 3 1 215122 4 1 293187 1 2 214925 2 2 231351 3 2 241949 4 2 2 2443 290 1 3 26614 2 3 217546 3 3 222139 4 3 2

Please help solve An empirical relationship between the number of computers sold in a city and the median age of the people living in the city is given by the funcion N(a) = a2 + 70a + 200 where N is the number of computers sold and a is the median age of the people. The value of the software packages sold in the city depends on the number of

please solve, all answers I tried are wrong The answer above is NOT correct. (1 point) Find the minimum sample size needed to be 99% confident that the sample variance is within 20% of the population variance. 167 At least one of the answers above is NOT correct. (1 point) The weights of a random sample of cereal boxes that are supposed to weigh 1

Canning Transport is to move goods from three factories to three distribution centers. Information about the move is given below. Give the network model and the linear programming model for this problem. Source Supply Destination Demand A 200 X 50 B 100 125 150 Z 125 Shipping costs are: Destination Source X Y Z A 3 2 5 B 10 6 (Source B cannot ship

In the book Advanced Managerial Accounting , Robert P. Magee discusses monitoring cost variances. A cost variance is the difference between a budgeted cost and an actual cost. Magee describes the following situation: Michael Bitner has responsibility for control of two manufacturing processes. Every week he receives a cost variance report for each

The Kwik Company's mentory balance considering the following transactions on December 31, 2024, wes $250.000 (based on a 12/01/2024 physical count tiebre 1 Goods shipped to Kwik too destination on December 20, 2024, were received on January 4, 2025. The invoice cost was $47000 2. Good shipped to Kwik foto shipping point on December 28 2024, were

Calculus I May I please have the solutions for the following question? Thank you 8) Let f(x) = xx;l find the following: (show your work for full credit) a. Domain b. Asymptotes (using limits) c. Intervals of increase and decrease d. Local minimum and maximum 4 . Concavity and inflection points f. Sketch on a graph

The National Football League (NFL) records a variety of performance data for individuals and teams. To investigate the importance of passing on the percentage of games won by a team, the following data show the conference (Conf), average number of passing yards per attempt (Yds/Att), the number of interceptions thrown per attempt (Int/Att), and

A random sample of18observations taken from a population that is normally distributed produced a sample mean of42.4and a standard deviation of8. Find the range for the p -value and the critical and observed values of t for each of the following tests of hypotheses using,=0.01. Use the t distribution table to find a range for the p -value. Round

I need help sloving this applied statistics question Consider a value to be significantly low if its z score less than or equal to - 2 or consider a value to be significantly high if it's z score is greater than or equal to 2 . A data set lists weights ( grams ) of a type of coin . Those weights have a mean of 5. 86151 9 and a standard deviation

Hi, step by step solutions please! Consider the function f (x) = g(x)h(x). The values of the functions g, h and their first and second derivatives at the point x = 4 are given by the following table: g(4) 11(4) g'(4) h'(4) g\"(4) h\"(4) 2 4 1 ?? 2 2 Suppose that f has a stationary point with x-coordinate x = 4. Find the value of h' (4). Find also

1. Determine if the following geometric series are convergent or divergent. Calculate the sum, where possible. a. l+3+9+... b. 8+4+2+... 2. Andrea has rented a post pounder over the long weekend in order to put in the upright posts for her new fence. She noticed that on the rst hit, the post moved 25 cm, and on the second hit, the post moved 10

HOLA! Can you review my answer! Thanks Mathematical Methods for Engineering \f\f1. Write the following set of equations in matrix form and solve for the unknowns. 40=4x2 _5x1 2x2+6X3+50=0

A survey of 2645 consumers by DDB Needham Worldwide of Chicago for public relations agency Porter/Novelli showed that how a company handles a crisis when at fault is one of the top influences in consumer buying decisions,with 73% claiming it is an influence. Quality of product was the number one influence, with 96% of consumers stating that

Geometry description 2 of 24 ( Give a geometric description of the set of points whose coordinates satisfy the given conditions. and Au 3 sys4, 35254 O A. A cube located in the first quadrant and with sides 3 units in length O B. The square with corners at (0,3,3), (0,3,4), (0,4,3), and (0,4,4) O C. The line between the points (0,3,3) and (0,4,4)

Anita's, a fast-food chain specializing in hot dogs and garlic fries, keeps track of the proportion of its customers who decide to eat in the restaurant (as opposed to ordering the food "to go"), so it can make decisions regarding the possible construction of in-store play areas, the attendance of its mascot Sammy at the franchise locations, and

Please help 9. Three antibiotics A1, A2, and A3 and five types of bacilli B1, B2, B3, B4, and By are involved in a study of the effectiveness of antibiotics and bacilli, with Aj having a probability of 0.3 of destroying B1, and so on. Without knowing the proportion in which these germs are distributed in an epidemic, in what ratio should the

Hi, please help me solve for question B. I have already solved question A and it is correct. Thank you! . . Jessica Hall & |06/19/20 12:54 AM Save HW Score: 68.9%, 28.25 of 41 pts Question Help A TV show, Lindsay and Tobias, recently had a share of 25, meaning that among the TV sets in use, 25% were tuned to that show. Assume that an advertiser

: Explain the relationship between hypothesis, tests, and population mean. Instructions: Read the following and answer the questions. Directional versus nondirectional hypothesis testing .Cho and Abe (2013) provided a commentary on the appropriate use of one-tailed and two-tailed tests in behavioral research. In their discussion, they outlined the

A 31-run experiment was conducted with 6 independent predictor variables. The table below gives the SS res for all possible fitted models in the six variables.Select a "best" model using each of the approaches in a-f stated below.Use ? ? = 0 . 0 5 ? Variables in Model Variables in Model Variables in Model SSree Variables in Model none 11.058 *3,

9 DETAILS LARCALC11 5.1.078. Use logarithmic differentiation to find dy/dx. V = - 4 * >2 + 4 dy dx 10. DETAILS LARCALC11 5.2.013. Find the indefinite integral. (Remember to use absolute values where appropriate. Use ( for the constant of integration.) x - 8 dx BX 11. DETAILS LARCALC11 4.4.045. Find the area of the region bounded by the graphs of

Solve Roboto 12px 2.Opt : B I U S A A OXXEE a. f (3) - a. f(-4) = b. f(-1)" - b. f (1) = c. f (-3) - c. f (3) = d. f (2) - d. f (2) - e. / (0.5) - you might have to estimate! e. f (1.5) = 10. Writing Equations From Graphs Use the picture of the piecewise function to answer the following. GRAPH Write the equation for each of the 3 pieces Domain for

Given a normal distribution with mu equals 100 and sigma equals 10 comma complete parts (a) through (d). cumulative standardized normal distribution table. a. What is the probability that Upper X greater than 80? The probability that Upper X greater than 80 is nothing. (Round to four decimal places as needed.) b. What is the probability that Upper

question one- inflation has caused the cost of pizza. subs in tears to rise. No the pizzas cost $16 a sub cost 8.50 and the teas cost 3 dollars. write down a matrix equation that you can use to solve for how much money each club will spend on food and drinks. Make sure you label the rows and columns of each of your matrices as we did in the

Brainstorming in preparation to write an essay entails two methods.One method is an Idea Map. Which of the following is the correct way to begin brainstorming using this method? a. Start by writing a subtopic and draw a circle around it starting on the left hand side of your paper. b. In the center of the map, write your topic and draw a circle

A sample of 49 account balances of a credit company showed an average of $1,224with a sample standard deviation of $175. Conduct a hypothesis test to determine whether the mean of all account balances is significantly different from $1,291. What is the test statistic value from this hypothesis test? In the past, 47% of those taking a public

The Fast N' Hot food chain wants to test if their "Buy One, Get One Free" program increases customer traffic enough to support the cost of the program. For each of 15 stores, one day is selected at random to record customer traffic with the program in effect, and one day is selected at random to record customer traffic with program not in effect.

@ production-gradescope-uploads.s3-us-west-2.amazonaws.com 20f2 Question 2 (5 points) A race-car starts at the 3 o'clock position and drives counterclockwise on a circular track with a radius 4 miles. (a). (2 points) What distance (in miles) has the race-car traveled if the angle swept out by the race-car is: (i). 90? (ii). 5radians? (b). (1

I need help asap. 3 Question 3 8 pts Given the conditional statement, "If the shape is a square, then it has four vertices," enter True or False for each statement: A. The Conditional statement and the Contrapositive are logically equivalent. [ Select ] B. The Conditional Statement and the Converse are logically equivalent. [Select ] C. The

Please answer the following questions A.When we solve an equation like x + 6 = 8 we realize that by subtracting 6 from both sides of the equation we get x by itself, to find x = 2. What property did we just apply? B.For example, the process of burning a paper is not reversible, since you can't take ash and put it back together into a paper. So,

12:10?

A toy manufacturer wants to see how long, on average, a new toy captures children's attention. He tests 9 children selected at random and finds that their mean attention span is 25 minutes with a standard deviation of 7 minutes. If we assume that attention spans are normally distributed , find a confidence interval for the mean attention span of

A random sample of 76 apartments is collected near a university. All the apartments in the sample have between 1 and 6 bedrooms. The variables recorded for each apartment are Rent (in dollars) and number of bedrooms. The regression output is presented below. rent\ coefficient\ of\ 357.795\ with\ a\ standard\ error\ of\ 111.6 bedroom\ coefficient\

53. In what type of test is the variable of interest the difference between the values of the observations rather than the observations themselves? a. a test for the equality of variances from two independent populations b. a test for the difference between the means of two dependent populations c. a test for the difference between the means of

Go to the following website:http://news.berkeley.edu/2017/04/11/shoe-string-theory-science-shows-why-shoelaces-come-untied/(Links to an external site.) Scroll down to the diagram of the knots. Pretend you are investigating this shoe-coming-undone phenomenon. Assume the dependent variable is number of times each knot comes untied, and each person

what percentage of cases in normal distribution fall at or below a z score of 2.34? what percentage of cases in normal distribution fall at or below a z score of -2.57? what is the percentile rank for a z score of 1.57? assume systolic blood pressure is normally distributed, with a mean of 124 and a standard deviation of 16. Sarita's systolic

Problem 3 (12 marks) Let S be a set. a) Show that for any set T and any function f : T, the relation RpCS5x 5, defined as: (s,5) Ry if and only if f(s) = f[s'} is an equivalence relation. &3 b) Show that if R C S x 5 is an equivalence relation, then there exists a set T and a function fr 5 = T such that: (s,s") R if and only if fr(s) = fr(s')

15. 16. average daily temperatures 67, 57, 52, 51, 64, 58, 67, 5 The table shows the results Find P(more than 1 hour of 3rd period class 6th period class 111 .l uyouu, ; u. 8, 55, 59, 66, 50, Did You Watch More Than One Hour 0 I ll 9...... 57', 62, 53, 50, 58, so, 60, 63 I I v - in two math classes. of a survey of students Round to the nearest

Use the following variables one by one as independent variables to evaluate their impact on medical charges as dependent variable. Report the results and interpret the coefficients, t-tests, R-squared. i)Age ii)BMI iii)Number of Children A B C D E F G H SUMMARY OUTPUT W Regression Statistics A Multiple R 0.356949959 5 R Square 0.127413273 6

K Injuries, pain, near misses and acute health decline are all incidents that would require reporting in the workplace. L A person with an infection will always show signs of the infection. M Reading updated policies and procedures, attending WHS meetings, reading memos and attending training for new equipment are all essential ways to stay up to

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