Use the function z-test to calculate the p -value

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Question: (Use Excel) Access the weekly stock prices for Home Depot in the data file on the text website (Home Depot). Assume that returns are normally distributed with a population standard deviation of $3.

a. State the null and the alternative hypotheses in order to test whether or not the average weekly price differs from $30.

b. Use the function Z.TEST to calculate the p -value.

c. At α = 0.05 can you conclude that the average weekly price does not equal $30?

Reference no: EM131460936

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