the driving distances (miles) to wor of 30 people are shown below. assume the population standard deviation is 8 miles. Find: 12, 9, 7, 3, 27, 21, 2, 30, 7, 4, 1, 10, 2, 9, 2, 28, 7, 10, 13, 6, 13, 7,...

the driving distances (miles) to wor of 30 people are shown below. assume the population standard deviation is 8 miles. Find:

a) the point estimate of the population mean

b) the margin of error for a 95% confidence interval

c) contruct a 95% confidence interval for the population mean.