Question: Joe and Sally are going to construct confidence intervals from the same simple random sample. Joes confidence interval will have level 90% and Sallys will

Joe and Sally are going to construct confidence intervals from the same simple random sample.

Joe’s confidence interval will have level 90% and Sally’s will have level 95%.

a. Which confidence interval will have the larger margin of error? Or will they both be the same?

b. Which confidence interval is more likely to cover the population mean? Or are they both equally likely to do so?

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