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Describe the question Assume that the population variance follows a normal distribution. For the following, determine the breadth to determine the population mean,. A 90%

Describe the question
Assume that the population variance follows a normal distribution. For the following, determine the breadth to determine the population mean,.


A 90% confidence interval; 100 participants; 2 = 169

b. 95% confidence interval; 120 participants; 25

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