Question

7.2.7-T Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t??/?, (b) find the critical value z??/?, or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is 90%, ? = 4058 thousand dollars, and the histogram of 59 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. A. t??/? = (Round to two decimal places as needed.) B. z??/? = (Round to two decimal places as needed.) C. Neither the normal distribution nor the t distribution applies.

          7.2.7-T
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t??/?, (b) find the critical value z??/?, or (c) state that neither the normal distribution nor the t distribution applies.
The confidence level is 90%, ? = 4058 thousand dollars, and the histogram of 59 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.
A. t??/? = 
(Round to two decimal places as needed.)
B. z??/? = 
(Round to two decimal places as needed.)
C. Neither the normal distribution nor the t distribution applies.

7.2.7-T
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t??/?, (b) find the critical value z??/?, or (c) state that neither the normal distribution nor the t distribution applies.
The confidence level is 90%, ? = 4058 thousand dollars, and the histogram of 59 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.
A. t??/? =
(Round to two decimal places as needed.)
B. z??/? =
(Round to two decimal places as needed.)
C. Neither the normal distribution nor the t distribution applies.

Added by Sara E.

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