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Mathematics Questions and Answers January 15, 2023

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The functions f and g are defined as f(x) = 8x - 7 and g(x) = - 6x2. -h a) Find the domain of f, g, f+ g, f- g, fg, ff, -, and g b) Find (f + g)(x), (f - g)(x), (fg)(x), (ff)(x), (x), and ( x )
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1. Find the average participation rate and the average match rate in the sample. 2. Estimate the regressionand report the results along with sample size and R2. 3. Interpret the coefficient estimates. 4. Find the predicted prate when mrate is 3.25. Is this a reasonable prediction? Explain what is happening here. 5. How much of the variation in

J . Provide an internal analysis of the company A ) What is the strategic position of Bombardier performing (at the time of the case) ? (10 marks) B) Using the VRI O framework, complete an analy capabilities of the company (including the comp Provide an explanation for why you think these (10 marks) C) What are the company's biggest weaknesses ar
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Can someone help me please!

Find the sample size necessary for a 90% confidence level with maximal error of estimate E = 0.25 for the mean price per 100 pounds of watermelon. (Enter a number. Round up to the nearest whole number.) _________farming regions

Aproject onKickstarterfor aniPadstylus raised 7 % of their goal, raising a total of $ 32,585from 33supporters.What was their original goal? $_______ Give your answer to the nearestdollar

Price of X. 8 AERI ROPOSTALE Bnightspace X Exam I - Requires Respondus LockDown Browser + Webcam Page 1: Question 21 (1 point) Use the graph below to answer the following question: 5 12> 11> 10 15> 14 13 18 17> 16J 4 D 20 21 0 40 80 120 Quantity of X 29 30 At a price of $12: a) a surplus of 80 units of X exists. b) a shortage of 80 units of X

You have a small patio and want to improve it with a project. Circle the project you picked: Fish Pond Planter Box Fire Pit Making Sense of the Problem Make Sense of the Problem ( 3 points: 1 point for each answer) What do you know? What do you want to find out? What kind of answer do you expect? Writing an Equation 1. Set your polynomial equal to

9. The pitch of a roof is the ratio of the rise to the halfspan. If a roof has a rise of 15 feet and a span of 24 feet, what is the pitch
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The thick horizontal lines divide the surface into ________

The following table shows part of the tax rate schedule for single iers. Use this schedule and create a table of values that could be used to find the following limits, it they exist. Let x represent the amount of taxable income, and let T(X] represent the tax due. Single Filers If taxable But not income is over over The tax is: $0 $9075 10% of
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A). Take the derivative in respect to (L,K). Equation: Profit (K,L) = (P)(4L 1/4 K 1/4 ) - (w(L) - r(K)) B). Then solve for K and L, by setting the derivative equal to 0.

In the figure below, m angle D A E equals 24 degree, stack A C with bar on top bisects angle B A E, and stack A D with bar on top bisects angle C A E. Find m angle B A C. 4 line segments sharing a common endpoint, A. The segments are named (clockwise from the top): A B, A C, A D, A E Note: The figure is not drawn to scale. Credit: Desmos,

Scores on one section of the GRE test in recent years follow approximately the N (514, 108) distribution. The proportion of seniors who took the test scoring at least 599 is closest to Question 9 options: 0.218. 0.184. 0.082. 0.782.

You want to retire with $650000. Find the amount you must deposit monthly for 40 years if your retirement investment fund (RIF) earns 6.4%/a compounded monthly. Assume you are depositing your money at the end of the month.

Please answer all of question 4, thank you 4. Find the -intercepts and the vertex, and then graph the parabola y - (x- 4)(x + 2). Part |: Find the xintercepts of the parabola and write them as ordered pairs. Hint: The x intercepts are the points at which the function crosses the xaxis and y = 0 Show your work. (3 points) Part II: Write the
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The diameter of a circle is 6 mm. Answer the parts below. Make sure that you use the correct units in your answers. If necessary, refer to the list of geometry formulas. (a) Find the exact area and circumference of the circle. Write your answers in terms of it. Exact area: D Exact circumference: H (b) Approximate the area and circumference of the
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show in set- builder notation A. {x | x is an integer less than 17} B. {x | x is an integer between 13 and 16} C. {13, 14, 15, 16} D. {x | x is an integer between 12 and 17}

9. The prescriber ordered Cefobid (cefoperazone) 1g IVPB q12h to infuse in 30 minutes. The label on the 1 gram premixed IV bag reads cefoperazone 50 mL, 50 mg/ml.. (a) Calculate the flow rate in milliliters per hour. (b) How many milligrams will the patient receive
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I need help with this practice question. Using an inverse matrix, identify the solution to the following system of linear equations:

Can someone help me please!

The October 2011 ISACA Shopping on the Job Survey asked employees, "During the holiday season (November and December), how much total time do you think an average employee at your enterprise spends shopping online using a work-supplied computer or smartphone?" Among those who responded,3%said0hours,24%said1to2hours,22%said3to5hours, and51%said6or
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8. Mediante mapas K encontrar lassalidassimplificadas A y B para cada una de las siguientes tablas de verdad

find x and y [-/1 Points] DETAILS LARATRMRP7 5.2.074.SBS. Find the exact values of x and y. (Let r = 14.) 303 STEP 1: Use the Right Triangle Definitions of Trigonometric Functions to relate each of x and y to the given angle and hypotenuse. X = COS (30) VE sin (30) STEP 2: Replace the trigonometric functions in Step 1 with their special angle
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8. Kawazima owns a simple discount note that has a face value of $28,000.00 and proceeds of $27,000.00. What is the discount rate to the nearest hundredth if the note is for 125 days
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1) L'Universite Laval est a 2) C'est une universite 3) Les etudiants peuvent apprendre le francais a l'Universite Laval. 4) A 1'Universite Laval, les eleves etudient aussi 5) C'est un grand centre pour la recherche 6) Un asteroide porte le de l'universite
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Question 3 (1 mark) Suppose A has 24 elements, B has 65 elements and AB has 73 elements. What can be said about the number of elements in AB? (a)It can be any value in [0,73] (b)It can be any value in [0,89] (c)It can be any value in [73,89] (d)It is exactly 57 (e)It is exactly 82 (f)None of the above Question 4 (1 mark) Which of the following

Arrange the tiles in the table based on the number and shape of each tile. Two tiles have been positioned for you. Continue the sequence to arrange the rest of the tiles in an orderly way

Need to be answered as quick as possible please. 1Question (5 points): Let L : R2 -> R* is a linear transformation be defined by: L . Then, is equal to Select one: O 6 5 O 5 4 -3 O 6 O none of the others O 6
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For the recursively defined sequence below, find b 6 b1 = 2 bn = (-1)n+1 bn-1+1
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1) Assume that the international average homicide victimization rate is 2.92 (per 100,000). In a sample of 24 industrialized nations, LaFree and Drass (2002) found that the mean homicide victimization rate was 1.49 (per 100,000; standard deviation = 0.44). Perform a hypothesis test to determine if the mean homicide rate in industrialized nations

The scrap value of a machine at the end of its useful life is given by S(n)=C(1r)n, where C is the original cost, n is the useful life of the machine in years, and r is the constant annual percentage of value lost. Find the scrap value of the following machine. Original cost, $47,000; life, 6 years; annual rate of value lost, 14%.

Accrotime is a manufacturer of quartz crystal watches. Accrotime researchers have shown that the watches have an average life of 28 months before certain electronic components deteriorate, causing the watch to become unreliable. The standard deviation of watch lifetimes is 4 months, and the distribution of lifetimes is normal. (a) If Accrotime

22.0519 is what percent of 40? A die is thrown. What is the probability of rolling a 5

A 14-inch candle is lit and burns until it is burned out. The variable b represents the burned length of the candle (in inches), and the variable r represents the remaining length of the candle (in inches). Write an expression (in terms of r ) that represents the burned length of the candle (in inches). Now, write a formula that expresses the

kindly correctly and handwritten Exercise 4: For V = R3, define U = b atbec=ow = ! ) a- b+2c = 0 1. Find bases for U, W 2. Find a basis for Un W 3. Find a basis for U + W
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Plot th-likelihood poisson function in R for a sample of 7 articles with word"but" (12,4,5,3,7,5,6). Could you show me the code in R

4 H -6 -5-1 Determine the interval(s) for which the function shown below is increasing
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In 2015, the CDC analyzed whether American adults were eating enough fruits and vegetables. Let the mean cups of vegetables adults eat in a day be . Ifthe analystswanted to know if adultswere eating, on average, at least the recommended 2 cups of vegetables a day, what are the null and alternative hypothesis? Select the correct answer below: H 0 :

Hello tutor, can you help me solve this, i'm practicing for a review guide \f
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RESET THE FORM GRAPH: f(x) = x^2-3x+2 Step1. Find the x-intercepts (if any). Solve: x^2-3x+2=0 This is a EQUATION. Note: X^2 = x2 a= b = C = A = The equation has S REAL SOLUTIONS. x1 =] and x2 = Step2. Find the y-intercept. x = and y = Step3. Find the vertex. xv =and yv = Step4. Find another point on the grapf of f. x =_and y = Step5. Is the
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Corn Grain is 70% starch and cost $2.9/100 lbs. What is the cost per pound of starch for each. Round to two decimal place(**Answer in the below boxes without units)

7. Masaka placed $120,000.00 in Real Estate at 8%. HOW many days will it take her to obtain an interest of $4,000.00
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Find the work W done by a force F=(220i + 350j) lb in moving an object in a straight line given by the displacement vector D = (-1li+17j) ft. The amount of work done is ft. 1b. X
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Indicate which intervals are increasing, Which intervals, if any, are increasing? decreasing, or constant. Select all that apply. OA. (4) OB. (2) Q OC. (1) OD. (6) 21 DE. (3) OF. (5) O G. None of them -16 -12 -8 8 12 16 3)
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The length of a rectangle is 2ft more than twice the width. The area is 84ft^2. Find the length and width of the rectangle Length Width

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If vacuums are sold for $200 each, how many vacuum cleaners would Ezra need to sell in a year to make $35,000? Round to a whole number of vacuum cleaners

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find all real zeros of the function ind all real zeros of the function. g (x) - -4x (x -9) (0-7
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Si aplica el modelo americano, en un crdito solicitado por su empresa por la suma de $3.000.000, en un plazo de 5 aos, y a la tasa de inters del 5% anual. Determine el valor de la cuota a pagar en el ao 5.: $3.000.000 $3.500.000 $3.150.000 $3.750.000

Jane is thinking of a number between -10 and 10. If you multiply Jane's number by -2, then subtract 2, the result is greater than 6. Which of the following statements must also be true? A. Jane's number is less than -4. B. Jane's number is greater than -4. C. Jane's number is greater than 2. D. Jane's number is less than -2. E. Jane's number is 0

The data set lrb.csv has data on 61 married couples. The dependent variable is HAPPYMAR, respondent's marital happiness (1 = Very Happy, 0 = Otherwise). CHURCH, Church attendance (1 = Often attends, 0 = other), FEMALE (1 = female, 0 = male), and EDUC, Years of education, are the explanatory variables. mydata=read.csv("lrb.csv") names(mydata) ##

Sa habang isinasagawa ang pulong mayroong pitong hakbang

You will analyze data that shows some details of a sample of retail price of 804 GM CARS. You will only focus on the relevant variables and answer the questions. The whole data set is provided to you, BUT your group must edit it according to the instructions to select the 500 appropriate cases to analyze. The data includes: NUM- The unique index

12. [1.05/2 Points] DETAILS PREVIOUS ANSWERS Engineers have determined that a spherical communications satellite needs to have a capacity of 36,172.8 cubic feet to house all of its operating systems. The volume V of a sphere is related to its radius r by the formula r = 1/ J. What radius must the satellite have to meet the engineer's
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-------------------- The following table lists the probabilities of unemployed females and males and their educational attainment. Female Male Less than high school 057 .104 High school graduate 136 .224 Some college/university-no degree .132 .150 College/university graduate 095 .103 Source: Statistical Abstract of the United States, 2012, Table
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Suppose the functions of u and w are defined as follows: Suppose that the functions & and w are defined as follows. u (x) -3x- 1 w (x) -4r Find the following. (u .w) (9) = 0 (w ww) (5) =
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NASA launches a rocket at t : 0 seconds. Its height, in meters above sea-level, as a function of time is given by Mt) : 4.9t2 -l 971i + 423. Assuming that the rocket will splash down into the ocean, at what time does splashdown occur? The rocket splashes down after l I seconds. How high above sea-level does the rocket get at its peak? The rocket
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Find z such that 16% of the area under the standard normal curve lies to the right of z . (Round your answer to two decimal places.)

could you solve this problem in detail Let X be a uniform distribution with 01 = -2 and 02 = 1. Let Y = min(0, X). So , Y is defined as the minimum of 0 and X. (a) Find the cdf of Y ? (Carefully think of what values Y can take. This is an example of a random variable which is neither discrete nor continuous) (3 pts) (b) Find P(X = Y)? (3 pts)
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Looking for expert tutor in MATH, Who can help me to answer III-Number 5,6,10 and IV-5,11 below with complete solutions ! III. I:+_\\':14I+4_\\'+33=0 10. Equation of the line tangent to the circle Ans. 2x+}'2=0 Find equation of the circle [ in general form ) that satises the given condition. IV. Find an equation of the parabola given the following
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Brad decides to purchase a $250,00 house. He want to finance the entire balance. He has received an APR of 4.5% for a 30-year mortgage. What is Brad's monthly payment
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Content / Math for Business & 5( X Q Lumen OHM X * Course Hero X + X CA 8 https://ohm.lumenlearning.com/assess2/?cid=67064&aid=4941202#/skip/2 Review for Test 4 Progress saved Done . . . Score: 0/9 0/9 answered . Question 2 Co/1 pt O 2 98 0 Details Suppose you deposit $1000 at 3% interest compounded continously. Find the average value of your
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If tuiton at college is incres'ng by 3.7% each year how nany years wil, it take for tuiton to double

Attached is a Statistics Exam. Please show ALL work and reasoning for all answers . \f\f\f\f\f\f\f\f\f
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I have question about linear algebra the subspace of vector space, such that: Any subspace S of a vector space V cannot be a basis for V, correct? since the subspace must contain zero vector, but basis cannot be zero.

In certain hospital, nurses are required to constantly make rounds to check in on all of the patients. The nursing supervisor would like to know if there is a difference between the number of rounds completed per shift by the nurses on the day shift compared to the nurses on the night shift. So, the nursing supervisor checks the records of 70 day
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1. A railway car of 15,500 kg, denoted as A, travels at a speed of 172 km/hr to the right and hits a car with nothing of 20,000 kg, denoted as B, at rest. If the cars get hooked as a result of the collision, how fast are they after the collision? 2. Calculate the recoil speed of a 5,000-gram rifle that fires a 0.025 kg bullet at a speed of 216

Consumption of sugar-sweetened beverages (SSBs) is hypothesized to increase the risk for childhood obesity. It is further hypothesized that SSBs increase the risk for obesity only among those with a genetic variant that dysregulates the metabolism of sugar in the blood. The gene is not associated with consumption of SSBs. If the hypothesis is

A buyer has 90 pairs of jeans in his $25 price line in stock and 24 on order. Sales are estimated at 30 per week. A reserve of 60 is maintained and stock is reordered every three weeks. It takes four weeks for delivery. Calculate (a) the unit OTB and (b) the stock turnover

Assuming that carbon has no residual entropy, what is the average heat capacity of graphite? Assume that graphite has 0 entropy at 1 K. Hint: Sm equals S going from 1 K to 298 K. Use 1 mole of graphite. Enter heat capacity in J/(K mol). (Round to the nearest integer.) (Do not enter the units.) Assuming that carbon has no residual entropy, what is

which targeting options are the best Are there any tradeoffs to consider (pros and cons)
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The first step in filing a claim with a third-party is: The first step in filing a claim with a third-party is: verify all charges and fees. obtain accurate billing information from the patient. proof read the claim information. complete the precertification process

Test: Test 1 College Algebra Question 16 of 20 For the polynomial function, (a) list all possible rational zeros, (b) find all rational zeros, and (c) factor f(x). f(x) =x -9x +11x+21 (a) Determine the possible rational zeros for f(x). Choose the correct answer below. OA. 1 1,13, +7, + 21 O B. - 1, 3, 7 O C. 1, 3, 7, 21 OD. +1,+3,+7 (b) Determine
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Squares and right-angled triangles Show that the relationship between the areas of the squares formed using each side ANGLED TRIANGLES length works for these right-angled triangles: 13 units 5 units 13 units 12 units Area (1 = 5 units Area 2 Area (3) = (2 12 units 2 Area 10 units 6 units 8 units 3 Area (2) 10 units Area (3) 6 units 2 8 units Try
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4. The HCF of two numbers is 8. If the sum of the two numbers is 72, find the numbers. (Give all the possible pairs of numbers.)
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f) Por otro lado, existen operarios tanto de carpintera como de acabado que ofrecen trabajar horas extras. Lucas desea saber qu efecto tiene en su solucin actual contratar una hora extra de carpintera y una hora extra de acabado. Cunto estara dispuesto a pagar como mximo por una hora adicional de carpintera?, Cunto por una hora adicional de acabado

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Noguldjuma summu termia beigs aprina ar salikto procentu formulu. Ikgadj procentu likme ir 0,5% un skotnji tika noguldti EUR 8000. . Aprini noguldjuma vrtbu (EUR) pc trs gadiem

Could y'all help me these set of questions 9/24/2020 MAT 1 X Bh MAT161 171 30 MAT161 - 171-30 - OL - Lal X Bh: 171-26 user/Downloads/171-30 - OL - Lab - Polynomial Functions.pdf D 70% DO NOT USE YOUR CALCULATOR ON THIS LAB, EXCEPT FOR THE LAST PROBLEM! y-intercept: zeros/x-intercept(s): End Behavior: ( Leading Coefficient positive or negative?
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Let Y = the number of siblings for a student at a local high school. Suppose we choose someone from the school at random. The probability distribution of Y is as follows. (a) Is Y a discrete or continuous? Explain. (b) Is this a valid probability distribution? Explain. (c) Create histogram for the probability distribution and describe its shape.

Summarize, Rawlins, P. W., & Kwon, S. (2016). Walking the line on police privatization: Efficiency, accountability, and court decisions. International Review of Administrative Sciences, 82, 580-597. doi:10.1177/0020852314566005

suppose U=F(x,y) x=s^2-t^2 , y=2st show that 2sU+2tU=4(s^2+t^2)(2xF+2yF)

Q= A farmer has a rectangular field that measures 500 ft by 400 ft. In the center of the field is an irrigation sprinkler that waters a large circular area with a radius of 150 ft. How many square ft of the field do NOT receive water? Can you please verify my answer. Area of rectangle is 200,000 feet 2 Area of circle is 70,685.83 feet 2 area not

You notice that your credit card has an annual percentage rate (APR) of 22.99 % and your carryover balance is $ 592.40 . The minimum payment each month is 5 % of your ending balance. You decide to only make the minimum payment each month and have no additional purchases. Complete the credit card table below. Round each value to the nearest cent.

Exercise 7.4.3 Find the equation of the curve that results from intersecting the surface 2 = 5 72 Y; with the cutting plane Y = 2. Plot this curve in SageMath
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A professional photographer has several costs involved in taking pictures at an event, such as a wedding. Editing and printing proofs of the photos cost $5.99 each. The ohotograoher also has to pay salaries totalling $750 for the day. A professional photographer has several costs Involved in taking pictures at an event, such as a wedding. Editing
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Una empresa tiene actives por valor de L. 700,VUU.UU y pasivos por L. 100,000.00. za cuanto asciende su patrimonio neto
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how do i find a height of a uniform distribution for this question? 1.)The commuter trains on the Red Line for the Regional Transit Authority (RTA) in Cleveland, OH, have a waiting time during peak rush hour periods of eight minutes ("2012 annual report," 2012). a.)State the random variable. x=waiting time during peak rush hour b.)Find the height

answersquestion below Find the standard deviation of each of the following data sets by hand. (a) {10,10,10,10} (b) {0,10,10,20} (c) {0,20,20,40} (d) {4,5,6,7,8}
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that is occupied in ( a ) a simple cubic lattice, ( b ) a face-centered cubic lattice, ( c ) a body-centered cubic lattice, and ( d ) a diamond lattice

This unit examination is open-book, does not require a proctor and is not timed. This will allow you to proceed at your own pace. It is recommended that you check your answers against the material in your textbook for accuracy before submitting your exam. Questions are randomized for each student to ensure test integrity. Question 4 Which of the

Suppose that pizza delivery times are normally distributed with a population standard deviation of 6 minutes. A random sample of 28 pizza delivery restaurants is taken and has a sample mean delivery time of 36 minutes. Construct a 90% confidence interval for the population mean delivery time.what is the mean

An insurance company crashed four cars in succession at 5 miles per hour. The cost of repair for each of the four crashes was $423, $451, $411, $219. Compute therange, samplevariance, and sample standard deviation cost of repair. The Range is $ S^2 = __ dollars^2

D Question 28 2 pts Which of the following is true regarding logistic regression? Logistic regression can also be replaced by standard linear regression if there are repetitions. O Logistic regression can only be used with continuous predicting variables. Logistic regression can only be used when the response variable is binary. Logistic
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Question 1 Which of the following statements is true: (1) span({0}) = {0}. (2) span(@) = {0}. (& denotes the empty set.) (O Both (1) and (2) are true. O Only (1) is true. (O Only (2) is true. (O Both (1) and (2) are false. 1 pts
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The term ___________ refers to questions that do not provide an answer choice, but instead, have an infinite number of possible responses. Group of answer choices Open-ended questions Needs identification Tools Closed-ended questions

Lab Section Resistors Circuits I Each of the circuits below consists of a battery and several resistors. Several of the voltages, currents, and resistances are indicated. Use both of Kirchoff's Laws and Ohm's Law to determine at many of the other voltages, currents, and resistances as possible. Fat 20 In 2A A B DI 20 30 2 2A $ 20 W C E 12V 230 IA
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