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 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. O B. (Round to two decimal places as needed.) Frequency Za/z = (Round to two decimal places as needed.) C. Neither the normal distribution nor the t distribution applies. 30- Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. ta/2= 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
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C is incorrect, I already tried it

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 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.
O B.
(Round to two decimal places as needed.)
Frequency
Zal2 =
(Round to two decimal places as needed.)
C. Neither the normal distribution nor the t distribution applies.
40-
30-
20-
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
OA. ta/2
10-
P
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 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. O B. (Round to two decimal places as needed.) Frequency Zal2 = (Round to two decimal places as needed.) C. Neither the normal distribution nor the t distribution applies. 40- 30- 20- Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. ta/2 10- P 0 4000 8000 12000 16000 20000 Salary (thousands of dollars) Q
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