(Answered) Suppose that a random sample of ten recently sold houses in

Statistics

Suppose that a random sample of ten recently sold houses in a certain city has a mean sales price of $285,000, with a standard deviation of $13,000. Under the assumption that house prices are normally distributed, find a 95% confidence interval for the mean sales price of all houses in this community.

a) What is the lower limit of the confidence interval?

b) What is the upper limit of the confidence interval?

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