Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. ta/2= O B. (Round to two decimal places as needed.) Za/z = (Round to two decimal places as needed.) O C. Neither the normal distribution nor the t distribution applies.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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26

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 Zx/2, or (c) state that
neither the normal distribution nor the t distribution applies.
The confidence level is 90%, o=3952 thousand dollars, and the histogram of 67 player
salaries (in thousands of dollars) of football players on a team is as shown.
O A. ta/2=
(Round to two decimal places as needed.)
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
OB. Zα/2=
Frequency
(Round to two decimal places as needed.)
O C. Neither the normal distribution nor the t distribution applies.
40
30-
20-
10-
0
4000 8000 12000 16000 20000
Salary (thousands of dollars)
Q
Transcribed Image Text: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 Zx/2, or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is 90%, o=3952 thousand dollars, and the histogram of 67 player salaries (in thousands of dollars) of football players on a team is as shown. O A. ta/2= (Round to two decimal places as needed.) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OB. Zα/2= Frequency (Round to two decimal places as needed.) O C. Neither the normal distribution nor the t distribution applies. 40 30- 20- 10- 0 4000 8000 12000 16000 20000 Salary (thousands of dollars) Q
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