Marathon Runners A researcher wants to study the average miles run per day for marathon runners. In testing the hypotheses: H ₀: m = 25 miles vs. H ₁: m ¹ 25 miles, a random sample of 36 marathon runners drawn from a normal population whose standard deviation is 10, produced a mean of 22.8 miles weekly. {Marathon Runners Narrative} Develop a 95% confidence interval estimate of the population mean.

Question

Quizplus · Accepted Answer

The Answer of Marathon Runners A researcher wants to study the average miles run per day for marathon runners. In testing the hypotheses: H ₀: m = 25 miles vs. H ₁: m ¹ 25 miles, a random sample of 36 marathon runners drawn from a normal population whose standard deviation is 10, produced a mean of 22.8 miles weekly. {Marathon Runners Narrative} Develop a 95% confidence interval estimate of the population mean.

Marathon Runners a Researcher Wants to Study the Average Miles