Mathematics, 05.04.2020 22:37 aletadaboss

Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t Subscript alpha divided by 2, (b) find the critical value z Subscript alpha divided by 2, or (c) state that neither the normal distribution nor the t distribution applies.
The confidence level is 90%, sigma is not known, and the histogram of 56 player salaries (in thousands of dollars) of football players on a team is as shown.

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