Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value /2. (b) find the critical value za/2, or (c) state that neither the normal distribution nor the t distribution applies.40The confidence level is 99%, o = 3729 thousand dollars, and the histogram of 63 player salaries (in thousands of dollars) of football players on a team is as shown.30-20100-0.4000 8000 12000 16000 20000Salary (thousands of dallars)Select the correct choice below and, if necessary, fill in the answer box to complete your choice.OA /2=L(Round to two decimal places as needed.)O B.Za/2=(Round to two decimal places as needed.)O C. Neither the normal distribution nor the t distribution applies.PYHelp me solve thisView an exampleGet more help -LSClear allCheck answeram ConroantI Om Valued1aM Strongam beauhulI am Smartan WORTHIT!SAPAouanbay

Here , we have given that, SD = σ = 3729 sample size = n = 63 Confidence level = 99% Which implies,…

Answered: Assume that we want to construct a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Pick a, b, or c
25
A statistics class is estimating the mean height of all female students at their college. They collect a random sample of 42 female students and measure their heights. The mean of the sample is 65.3 inches and the sample standard deviation is 5.4 inches. Find the 90% confidence interval for the mean height of all female students in their school? Assume that the distribution of individual female heights at this school is approximately normal. 1. The t value is 1.3025 2. The standard error has a value of -- 3. The margin of error has a value of 4. Find the 90% confidence interval for the mean height of all female students in their school
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t,/2, (b) find the critical value z/2, or (c) state that neither the normal 40- distribution nor the t distribution applies. 30- The confidence level is 95%, o is not known, and the histogram of 58 player salaries (in thousands of dollars) of football players on a team is as shown. 20- 10- 0- 4000 Salary (thousands of dollars) 8000 12000 16000 20000 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. ta/2 = %3D (Round to two decimal places as needed.) В. Za/2 =| (Round to two decimal places as needed.) O C. Neither the normal distribution nor the t distribution applies. Frequency
Construct the indicated confidence interval for the population mean u using the t-distribution. Assume the population is normally distributed.c=0.95, x=14.6, s=2.0, n=5
Two intervals are given, A and B, for the same value of the explanatory variable. A: 11 to 17; B: 8 to 20; (a) Which interval is the confidence interval for the mean response?A or B Which interval is the prediction interval for the response?A or B (b) What is the predicted value of the response variable for this value of the explanatory variable?Enter the exact answer.The predicted value is=
solve for the image below
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value tα/2, (b) find the critical value zα/2, or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is 95%, σ=3473 thousand dollars, and the histogram of 56 player salaries (in thousands of dollars) of football players on a team is as shown. 040008000120001600020000010203040Salary (thousands of dollars)Frequency Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. tα/2= (Round to two decimal places as needed.) B. zα/2= (Round to two decimal places as needed.) C. Neither the normal distribution nor the t distribution applies.
Construct a confidence interval for p, - p2 at the given level of confidence. X1 = 35, n, = 254, x2 = 31, n2 = 300, 90% confidence %3D ... The researchers are % confident the difference between the two population proportions, p, - P2, is between and (Use ascending order. Type an integer or decimal rounded to three decimal places as needed.)
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value 2. (b) find the critical value 12. or (c) state that neither the normal distribution nor the t distribution applies. 30 40 The confidence level is 99%, a is not known, and the histogram of 58 player salaries (in thousands of dollars) of footbal players on a team is an shown 20 10 4000 so00 120o0 16000 20do0 Salery (tond of dola) Select the correct choice below and, if necessary, tal in the answer box to complete your choice. OA uz (Round to two decimal places an needed.) OB. (Round to two decimal places as needed.) OC. Neither the normal distribution nor the t distribution applies. Aouenbe4
F Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value ta/2, (b) find the critical value Za/2, or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is 90%, o is not known, and the histogram of 65 player salaries (in thousands of dollars) of football players on a team is as shown. UA. ta/2 O B. (Round to two decimal places as needed.) Za/2= (Round to two decimal places as needed.) OC. Neither the normal distribution nor the t distribution applies. 40- 30- 20- 0- 0 4000 8000 12000 16000 20000 Salary (thousands of dollars) Q Q 4
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