What is the point estimate of the population mean a

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A simple random sample of size n is drawn from a population with a population mean of 59.2 and standard deviation of 3.8

a. What is the point estimate of the population mean

b. A significance level of .05 is the same as a confidence level of ?

c. What is the 90% confidence interval estimate of the mean if n is 45?

d. What happens to the confidence interval when n increases?

Reference no: EM13643719

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