Author Question: Solve the problem. Round your answer to the nearest whole number unless indicated otherwise.An ... (Read 137 times)

crobinson2013 · **on:** Jan 18, 2020

Question 1

Solve the problem. Round your answer to the nearest whole number unless indicated otherwise.

A government survey conducted to estimate the mean price of houses in a metropolitan area is designed to have a margin of error of $10,000. Pilot studies suggest that the population standard deviation is

. Estimate the minimum sample size needed to estimate the population mean with the stated accuracy.
◦ 32
◦ 64
◦ 8
◦ 4096

Question 2

Solve the problem. Round your answer to the nearest whole number unless indicated otherwise.

An economist wants to estimate mean annual income for recent college graduates majoring in statistics.
How many such incomes must be found if he wants to be 95% confident that the sample mean is within

of the true population mean? Assume that a previous study has revealed that for such incomes

= $5250.
◦ 10,500
◦ 470
◦ 21
◦ 441

ashely1112 · **Reply #1 on:** Jan 18, 2020

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