Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value tax/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 95%, o is not known, and the histogram of 64 player salaries (in thousands of dollars) of football players on a team is as shown. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. 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. Frequency 40 30- 20- 10- 4000 8000 12000 16000 20000 Salary (thousands of dollars)
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value tax/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 95%, o is not known, and the histogram of 64 player salaries (in thousands of dollars) of football players on a team is as shown. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. 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. Frequency 40 30- 20- 10- 4000 8000 12000 16000 20000 Salary (thousands of dollars)
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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Transcribed Image Text:Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value to/2, (b) find the critical value Zu/2, or (c) state
that neither the normal distribution nor the t distribution applies.
The confidence level is 95%, o is not known, and the histogram of 64 player salaries (in thousands of dollars) of football players on a team is as shown.
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
OA. /2²
(Round to two decimal places as needed.)
OB. Z/2
=
(Round to two decimal places as needed.)
O C. Neither the normal distribution nor the t distribution applies.
←
Frequency
40-
30-
20-
10-
ó
4000 8000 12000 16000 20000
Salary (thousands of dollars)
G
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