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ilect the corre A. a/2 (Round

ilect the corre A. a/2 (Round

MATLAB: An Introduction with Applications
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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Question
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 distribution nor the t distribution applies. 30- The confidence level 99%, a is not known, and the histogram of 54 player salaries (in thousands of dollars) of football players on a team is as shown. 20- 10- 0- O 4000 8000 12000 1600 20000 Salary (thousands of dollars) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A t4/2= (Round to two decimal places as needed.) Za12= (Round to two decimal places as needed.) OB. OC. Neither the normal distribution nor the t distribution applies.
Transcribed Image Text: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 distribution nor the t distribution applies. 30- The confidence level 99%, a is not known, and the histogram of 54 player salaries (in thousands of dollars) of football players on a team is as shown. 20- 10- 0- O 4000 8000 12000 1600 20000 Salary (thousands of dollars) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A t4/2= (Round to two decimal places as needed.) Za12= (Round to two decimal places as needed.) OB. OC. Neither the normal distribution nor the t distribution applies.
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