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

Answer rating: 100% (QA)

a sample sizen 100 standard deviationsigma sqrt169 13 alph... View the full answer