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Mathematics Questions and Answers September 18, 2021

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1. A local bike shop in Michigan decided to perform an experiment to investigate the average mileage for four popular brands of mountain bike tires: the Michelin WildRACE'R, the Maxxis Rekon Race, the Kenda Slant Six, and the Schwalbe Racing Ralph. The bike shop recruited 80 avid riders and randomly assigned them to use one of the brands of tires.
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Problem 5 Consider the sequence of functions (fn) defined by fn(x) = on 1+nx [0, 00). (a) (4 pts) What is the pointwise limit of (fn) on [0, co) ? (b) (4 pts) Does (fn) converge uniformly on [0, 1]? Explain your answer. (c) (4 pts) Prove that (In) converge uniformly on [1, co)
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A group is testing the average weight of widgets produced by a machine. Assume the distribution of weights is Gaussian, with known standard deviation 1.48. They wish to conduct the test: H0 : =517, H1 : >517 at significance level =0.025. They collect a sample of size 314. Although the group doesn't know this, the true weight is in fact 517 +

What is your sex? N Mean Std. Deviation Std. Error Mean AQAttDet Male 107 24.86 4.475 .433 Female 223 26.35 4.371 .293 SDSTot Male 108 16.97 2.211 .213 Female 224 17.05 1.873 125Independent Samples Test Independent Samples Effect Sizes Levene's Test for Equality of t-test for Equality of 95% Confidence Interval Variances Means Standardizer Point
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It has been reported that the mean amount of sleep that adults receive is 7 hours per night. Your boss has asked you to look into this statistic by running your own study. You gather 49 adults and find the following information. The mean amount of sleep was 6.2 hours with a standard deviation of 1.8 hours. Based on your results, you claim that

Math | Graded Assignment | Unit Test, Part 2 | Lines (Score for Question 2: _ of 5 points) 2. The line segment graphed on this coordinate plane represents a roof with several triangular supports. Each support is triangular, with a horizontal board that starts on the edge of the roof and connects with a vertical board that ends on the edge of the
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Which of the following statements are true of progression of physical activity? Multiple select question. Progression refers to the total amount of physical activity that a person engages in each day. People should start slowly and progress gradually and patiently using the FITT formula. Various combinations of volume of activity can be used in

Starting from the initial trial solution of (:31, 3:2) = (0,0), interactively apply two iterations of the gradient search procedure to begin solving the following problem: maximize f(I) = 5391 + 2131352 2E2 213i 33% Then solve Vf{l') = 0 directly to obtain an exact solution
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3. The time I before a certain circuit breaker turns off the circuit and must be rest in exponentially distributed with the mean of 3 hours (a) (5 pts. ) What is the probability that 5 hours pass before the circuit breaker turns off for the first time? (b) (10 pts.) Suppose a randomn variable Nis given by V = 3 + 1 Find the density function of VE
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During the 1013-1919 College Soccer season the Humber Roorn Restaurant spearheaded a nutrition program for the Humber Hawks Womans Soccer team. After consulting with several faculty members in the Food and Nutrition Management programI the Humber Roorn Restaurant put together a "High Performance Meal" that fulfilled the nutritional needs of the
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These are review questions for an exam: can you please explain every step and where the valued originate from? FRED's VWis a Volkswagen car dealer and repair service in Worcester. A random sample of 144 recent customers found that 24 of them reported inadequate service over the past year. What is a good estimate for the true proportion of FRED's

A sales manager has sampled past sales records to determine how many computers are sold each day. Daily records for a sample of 5 days have been selected. The sales on these days are: 2, 4, 5, 2, 7. What is the mean for this set of data? Select one: a.4. b.5. c.4.5. d.2. Suppose a population has a mean of 90 and a standard deviation of 28. If a

Solve it What is the measure of ZFIH? H 72" G
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Use the Trapezoidal Rule and Simpson's Rule to approximate the value of the definite integral for the given value of n . Round your answer to four decimal places and compare the results with the exact value of the definite integral.

1. A manufacturer makes two products, doors and windows. Each must be processed through two work areas. Work area #1 has 60 hours of available production time. Work area #2 has 48 hours of available production time. Manufacturing of a door requires 4 hours in work area #1 and 2 hours in work area #2. Manufacturing of a window requires 2 hours in
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Exercise 18.26 a) Ordinary corn doesn't have as much of the amino acid lysine as animals need in their feed. Plant scientists have developed varieties of corn that have increased amounts of lysine. In a test of the quality of high-lysine corn as animal feed, an experimental group of 20 one-day-old male chicks ate a ration containing the new corn.
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2. Triangle Congruence and Similarity State the triangle congruence property (SSS, etc.) that makes the pair of triangles congruent, If they are not necessarily congruent, write "not = for the answer X A X
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Find the partial fraction decomposition. What is the pattern of decomposition for this. 7x - 70 ________________ (x - 3)^2 (x + 4)

Suppose now that jobs come in at rate and each job gets routed to server one with probability p, and server two with probability 1 p (see below diagram). If we say there are n jobs in the queue this includes the job getting serviced at that moment. Assume that 1 > p and 2 > (1 p). For all subparts, consider the queue to have been running for an

Use the P-Test to determine whether the given series converges 3 k=10 k5
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Ingredients purchase unit Per unit price Recipe quantity Recipe quantity for unit Recipe cost White chocolate Lb 2.59 1/2 lb 1/2lb 1.29 Butter Lb 2.42 1/2 lb 1/2lb 1.21 Granulated sugar Cup 0.26 2 1/2 cups 2 1/2 cups 0.26 Cake flour Cup 0.22 2 cups 2 cups 0.44 Peans Cup 1.90 1 pint 2 cups 3.80 Vanilla extract OZ 0.60 1 Tablespoon 0.5 oz $ 0.30
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(3) Let S C T be two nite sets. Suppose the\" ISI = s, and |T| = 23. Consider the set V = {W e T(T)IS W}, (in words: the set of subsets of T which do not contain 5). Express |V| in terms of s and t. Prove that your formula. is correct. It may be helpful to consider some small examples
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(3 points) Atank is in the shape of a cube with side length 50131. Water containing a dissolved contaminant at concentration 2 g/m3 ows into the tank at a rate of 60 Bra/minute. The water in the tank is mixed unilormly and then flows out of the tank at a rate 30 Ina/minute. Inflow 60 -\"3/min 2 g/I"3 50 I 50 In 50 In outflow 30 m'3/I1n Initially,
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integration problems! integral sin^4x dx integral sec^5x dx integral square root(4x^2+9) dx integral (1/(x^2*square root(x^2+4))) from x=2 to x=2*square root(3)

Describe a situation that would be described as exponential growth and one that would be exponential decay. Do you believe there are misconceptions people have about what exponential growth really means? Describe your answers.

Suppose we have a R.V. Find the following X with the following polf: probabilities: f ( x ) = 1- 1x1 for - 16X51 1 P ( X7. 7 ) 1 otherwise (2) PL. 3 X7 -. 4 ) f ( x ) Hint 1: Probability is area under P(x ) ! Hint 2: The Normal CDF Area of a trapezoidic will NOT help! ( h 2 A = w / hithz ) 2 Hint 3: Draw a Picture! W Hint 4
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In your chosen field, when might you want to know the mean differences between two or more groups?Please describe the situation, including how and why it would be used.

This Knowledge Check must be done with YOUR OWN WORK! SPRING 2023 According to Newton's Law of Warming and Cooling, if an object at temperature T is immersed in a medium having the constant temperature M, then the rate of change of T is proportional to the difference of temperature, T - M, provided that this difference is not too large. A cup of
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The weight of a girl, in pounds, during her first 5 years can be modeled by the function, t is measured in months. What is the rate of change of the girl's weight in pounds per month when she is three and a half years old?please help and don't round the answer. W(t)=0.00001t30.008t2+1.002t+6.8

7. In 2013, social security tax for employed individuals with employer match was 6.2% of gross wages up to $117,000; while Medicare tax was 1.45% of all gross wages (no limit). Cindy Watson, a write for Cosmopolitan Magazine, had total gross earnings of $61,000 in 2017. What was the total amount of social security and Medicare taxes that were

Determine whether the data described are qualitative or quantitative and also identify their level of measurement. If the data are quantitative, state whether they are continuous or discrete, and give a brief explanation. A consumer agency lists a rating of "best buy," "recommended," or "not recommended" for each of several different toasters.

Courtney is a client that has recently started working with you. You decide to test her muscular fitness by using the YMCA bench press test. After completing the test, her results are as follows: Age: 33 Body weight: 147 lbs Resting HR: 77 bpm Resting BP: 124/78 Repetitions completed: 27 Using table 6.7 in your notes, how would classify her

Imagine paint is sold in cup size containers. If you purchase paint to paint your 3D object, how many cups of paint would you need using unit the conversion? Show your work. *Remember you cannot buy a portion of a cup of paint* (4) 1 = 3602 1 = 3602 My shape is rectangular prism.

The arrival of buses at bus station A follows a poisson process, with rate 5 buses per minute. The arrival of buses at bus station B follows another poisson process with rate 10 buses per minute. Find the probability distribution for the total number of buses arriving per minute at bus stations A and B.

Statistics and Probability

The hypotenuse of a right triangle measures \f\f\f
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Use Gauss elimination for augmented matrices to solve -X1 - X2 + 2x3 EX-5 -3x1 - X2 +7x3 = -22 X1 -32 - X3 = 10
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In the power function, a is the independent variable. True or false

A parking lot is in the shape of a trapezoid with base lengths of 16 yards and 20 yards and a perpendicular length of 10 yards. If it costs $3 / square foot, how much does it cost to cover the parking lot? (Make sure to pay attention to units.)

By use your calcula Question 39 A 1:7 scale model of snowmobile is 46.3 cm long and 17.0 cm wide. What are the dimensions of the actual snowmobile? 6.6 mlong, 2.4 m wide 6.6 cm long, 2.4 cm wide 324.1 cm long, 119.0 cm wide 324.1 m long, 119.0 m wide . Previous Next . 220 0
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1. Est J. D. ms interesado en la seguridad en el trabajo o en la seguridad en la carrera? Discuta su respuesta

1. A child's large bag of Halloween candy contains 20% chocolate candies and 80% hard candies. The child's father chose 10 pieces of candy to eat himself. Find the probability that six of the chosen pieces are chocolate.Assume the bag is large enough that the selections can be treated as independent. 2. A bag contains three red, eight blue, and

Your rent is $775 monthly, and your Household bills average $2500 yearly. What do you pay a month in household expenses?

solve for x satisfies the following system equations: x=3 mod 4 and x=6 mod 7

Select all that apply Which situation(s) represent how luck and connections can lead to income inequality? Multiple select question. Obtaining an advanced degree Political connections Discovering oil on a ranch Hiring the right press agent

List three tools you can use to evaluate a proposed solution to a complex

Find the probability and interpret the results. If convenient, use technology to find the probability. The population mean annual salary for environmental compliance specialists is about $61,000. A random sample of 43 specialists is drawn from this population. What is the probability that the mean salary of the sample is less than $58,500? Assume

M N P O If MO = 42 and PL = 7x -7 find the value of x
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13) Students in a political science course were asked to describe their politics as "Liberal", "Moderate", or "Conservative." Here are the results: Politics Liberal Moderate Conservative Total 5 Female 70 m Male 114 Total 184
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A farmer has 450ft of fencing to enclose a rectangular area against a river. The river will be one side(length) and will need fencing for the other three sides. Let x denote width and y the length. Find a function in x giving the area. What is the domain?

Consider the conditional formula: (AA-B) - C Match each word to its correct logical form converse inverse contrapositive negation
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Let u, vRn be such that u = 2, v = 4 and the angle between u and v is = 6.If it is known that x = 3u v, y = u + 3v, then the value of xy is as follows:Select one:323 - 6323 - 36163 - 36403 - 36 \f
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(1 point) At what point does the line normal to the graph of y = 1 4x + 4x2 at (1, 1) intersect the parabola a second time? ([3 . Ci) Hint: The normal line is perpendicular to the tangent line. If two lines are perpendicular their slopes are negative reciprocals -- i.e. if the slope of the first line is m then the slope of the second line is 1/m
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) Consider a sample of grades of 50 students from a statistics course at UTM. The data are given in the le "grades Assignment1.csv". (4) Variable - Classify as quantitative or qualitative.

What is cos b \f
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need help in this A researcher analyzed the data of used cars. The odometer readings of 300 used 2010 Honda Civics were analyzed to predict the selling price of the car. Which is the dependent variable? Select one: O a. There is insufficient information to answer the question O b. 300 used Honda Civics O c. Odometer Reading O d. Car selling Price
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Your friend asks you to remember a phone number for her until later that day. You don't have a pencil, so you remember it by grouping it into two sections: one with the first 3 digits, which is a common prefix where you live, and one with the last 4 digits, which happens to be the year you were born. You have used Group of answer choices

Help please! 3. Find the length of the segment indicated. Round to the nearest tenth if necessary. S 5 X
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In an ANOVA, there are three groups with 10 participants each. The researchers decide on an alpha level of .05. What is the critical F value in this study? Group of answer choices A) 2.92 B) 3.34 c) 3.35 D) 3.71

Henry pays $100000 today for a 4year investment that returens cash flows of $60000 and the end of each of years 3 and 4. Suppose, at 15%, the net present value of Henry's cash flows is equal to the net present value of Jimmy's cash flows, where Jimmy makes an investment of X one year from today that returns cash flows of $60000 at the end of each

1 of 10 This type of chart compares values from different categories where values are identified by the length of the bars. Line Bar Area Column Question 2 of 10 This type of chart compares three sets of values in a three dimensional chart. Line Stock Surface Column

Use the graphs of f and g to evaluate the composite function. (fog)( - 7) (fog)( - 7) =] Ay 8- X -10 8 8 y = box)
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Is there an easy way to help distinguish between different sampling techniques?

Sheila wants to paint the front of a rectangular door. The front of the door has an area represented by the function A=2n 3 -12n 2 +3n-18. Determine the expressions for the measures of the length and width of the door. Show your work and describe how you found your answer.

d) Derive membership function of "Very High" and illustrate it in the following diagram Very High: Very High = High' = x (min ( _.1.8 )..)) X 1 0 X 2 3
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Calculate Does the irrelevant place integral converge SS 1 dA , B when B = [ ( x , y ) E R 2 1 x 2 + y 2 7/ 1 3 7 * Hint = d in ( 1 + 5 2 ) ar
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28. you are interested in determining the amount of time (in minutes) you spend each day on the internet. for seven days, these values are: 51, 24, 16, 88, 63, 28 and 59. assume that the amount of time you spend on the internet each day is normally distributed, and develop a confidence interval with 90% confidence coefficient.

If C is a closed curve, then integral lower half C 1ds = 0 True or false?

You deposit $10,000 in an account that pays 4.5% interest compounded quarterly. The future value has been figured and it is $10,457.80 after 1 year. What is the interest rate if simple interest was used? (I am struggling with formulas)

need help with this question Loxapine 25 mg IM NOW is ordered for Mrs. Simmons, who has been diagnosed with a psychotic order. Loxapine 50 mg/ml is available. How many milliliters will the nurse administer
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I need help please The Indian River County Economic Development Board needs to estimate the proportion of all county residents who have earned at least a bachelor's degree. A random sample conducted by the Indian River County Economic Development Board found that 28% of all county residents held at least a bachelor's degree. Find three different
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Hi, What is the answer to this question? Thank you In a one-tail hypothesis test where you reject Ho only in the lower tail, it was found that the p-value is 0.0294 if Z = - 1.89. What is your statistical decision if you test the null hypothesis at the 0.10 level of significance? Choose the correct answer below. O A. Fail to reject the null
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write the function that models the number of visitors for Voyager and Nomad as a number of the week

Words were displayed on a computer screen with background colors of red and blue. Results from scores on a test of word recall are given below. Use a 0.05 0.05 significance level to test the claim that the samples are from populations with the same standard deviation. Assume that both samples are independent simple random samples from populations

How does math affect your everyday living, and what type of mathematical skills assist your daily decision making processes? These decisions are not only useful monetarily, but can also encompass driving habits, or performing chores such as laundry. Give us an example in as much detail as possible

Question 12: (3 points) State the domain and the vertical asymptote of the function. g (x) = In (6 - x) Enter the domain in interval notation. To enter oo, type infinity. Domain
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1 and 2please Find the vertex of f (x) = a2 + 2x -5 Upload Choose a File Question 2 5 pts A ball is projected directly upward from an initial height of 75 feet with an initial velocity of 112 feet per second. The height s(t), in feet, at any time t, in seconds, is given by the function s(t) - - 16t2 + 112t | 75. After how many seconds does the
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a. How organisations urge the strategic importance of procurement function in the supply chain. b. The role of establishing a robust procurement strategy and its associated sub-tasks. C. How a robust strategy leverages organisations in capturing and enhancing the value of the goods or services throughout the value chain which serves the demand and
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Suppose a 40- to 59-year-old person in Houston has type II DM. What is the probability that this person is African American? Hispanic? Caucasian? Asian American? ( Hint: Use the generalized Bayes' rule.)

PART II This part contains 10 questions. Points for each question is indicated. Attempt all problems by showing your steps f works. Partial credit is given for readable and relevant work. 1. Solve the following equations. {a} 4:5 3U. 5.1:] : 3[7 + :5) {b} a: J. = \"Ezra21 2. Solve each inequality. Write your solution in interval form. {a} |5$~ 4|
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2. The Humber Transport Company has expanded its shipping capacity by purchasing 75 trailer trucks from a competitor that went bankrupt. The company subsequently located 25 of the purchased trucks at each of its shipping warehouses in Mississauga, Windsor, and Kingston. The company makes shipments from each of these warehouses to terminals in
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itial inhibition of which factor(s) by warfarin leads to its immediate procoagulant effect? Factor VII Factor IX Factor II Factor X Factors C

#10 0- Algebra 2 B (SP22) 1/ Module 7: Sequ. Nguyen All changes saved 10. In 1994, the city of Amuel had a population of 1,256 people. That same year a factory opened near the town, and many people moved into the city limits. The population grew to 1,381 people in 1995, and in 1996 the population of Amuel reached 1,519 people. Assume this rate of
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Vary the value of x by sliding the purple "X" on the horizontal axis. As you do, think about what the lengths of the blue segments represent and pay attention to the values of the ordered pairs in the top right corner.

LINEAR PROGRAMMING A factory manufactures shoe racks, dining table and bookshelf each requiring the use of three operations: Cutting, Assembly, and Finishing. The first operation can be used at most 600 hours; the second at most 500 hours; and the third at most 300 hours. A shoe rack requires 1 hour of cutting, 1 hour of assembly, and 1 hour of
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Pamprosesong Tanong : 1. Mula sa mya sagot sa itaas at pagkatuto sa nakaraang modyul, ano ang sarili mong pakahulugan sa pagmamahal sa bayan ? 2. Patunayan na ang pagmamahal sa bayan ay may kaugnayan sa pangangalaga sa kalikasan
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Walter decides he wants to start saving for retirement. On his 39th birthday he deposits $108000 in an account with an interest rate of j1=9%. On his 65th birthday he starts withdrawing money annually from the account for the next 15 years (That is, he makes 15 withdrawals). What size are the withdrawals?

(Lesson 10.6: Common Random Numbers.) This is sort of the same as Question 2, except we have now used common random numbers to induce positive correlation between the results of the two systems. replication system 1 system 2 1 10 25 20 30 2 5 10 4 30 40 Again find a two-sided 95% Cl for the difference in the means of the two systems. O [-30, -5] O
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1.) ] dx = 4 ex +
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Exam 1 oct - Google Docs * Bb Course Content - Business Stati X Do Homework - Duaa Ashkar X *Homework Help - Q&A from Onlir x + X C A mathxl.com/Student/PlayerHomework.aspx?homeworkld=572763821&questionld=2&flushed=false&cld=6139192&back=https://www.mathxl.com/Student/DoAssignments.aspx?tc_profile_.. Business Statistics - BUS 3700-01 Duaa Ashkar |
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1-A random sample of 100 Ontario high school students revealedthat 56% of them check their Instagram account daily. Calculate the probability that 50 or fewer Ontario high school students check Instagram daily. Include 5 decimal places in your answer. 2- The City of Hamilton determined that 32% of students take public transportation to get to

5. The sum of two numbers is 19. Their difference is 7. What are the two numbers? A. 9 and 10 B. 6 and 13 C. 8 and 11 D. 5 and 14
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I don't Understand these questions: Compare groups 2 and 3 using a planned comparison and a nondirectional H 1 . What are the df for a planned comparison? With a planned comparison using an ? = 0.05, what is the appropriate t crit ?This is the original problem: An investigator conducts an experiment involving the effects of three levels of a drug
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A costume plot is Question 1 options: the total amount of money the costumes cost a list of all the items each character wears in every scene the total number of hours spent building the costumes the visual story the costumes tell

Question: In Bayesian analysis, prior data is important as the source of the probability of an event before we add in whatever condition we are studying. But what do we know about prior information? Where might it come from? Reference: Bayesian Modeling of COVID-19 to Classify the Infection and Death Rates in a Specific Duration: The Case of
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An egg dropped on the road usually breaks , while one dropped on the grass usually does not a) The egg doesnt break when dropped on the glass because the time interval for stopping is greater b.)the tume mteral for stopping is less c)the impulse is greater d)impulse is less

Suppose a University is considering changes in the type of beverages they offer and are interested to know whether students prefer Coca-Cola or Pepsi. To guage the opinion of the students at the university, 300 students were sampled and asked the following questions: Do you prefer coca-cola or pepsi? In the sample, 165 responded Coca-cola. Does

ApplyRichardson'sExtrapolationonthecentered-differenceformula: f(x0)= 1 2h [f(x0 h)f(x0h)]h2 6 f(x0) h4 120f(5)(x0) todetermineN3(h),anapproximationtof(x0), forthefollowingfunctionandstepsize. d. f(x)=x3cosx,x0=2.3,h=0.4

UCLA conducted a survey of more than 263,000 college freshmen from 385 colleges in fall 2005. The results of students' expected majors by gender were reported in The Chronicle of Higher Education (2/2/2006). Suppose a survey of 5,000 graduating females and 5,000 graduating males was done as a follow-up last year to determine what their actual
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1) Construct a 99% Confidence Interval to estimate the proportion of adults believing that immediate government action is required
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