Question: A. Set up Null (H 0 ) and alternate (H 1 ) hypotheses in business terms (i.e., in plain English) B. Set up Null (H

A. Set up Null (H₀) and alternate (H₁) hypotheses in business terms (i.e., in plain English)

B. Set up Null (H₀) and alternate (H₁) hypotheses symbolically

C. In the context of the problem, please specify what a type I error would be

D. Test the hypothesis using the p-value approach.

The director of the IRS has been flooded with complaints that people must wait for at least 45 minutes before seeing an IRS representative.To determine the validity of these complaints, the IRS randomly selects 400 people entering IRS offices across the country and records the times which they must wait before seeing an IRS representative.The average waiting time for the sample is 55 minutes with a standard deviation of 15 minutes.Are the complaints substantiated by the data?Use a significance level, =0.05.

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