Marathon Runners
A researcher wants to study the average miles run per day for marathon runners.In testing the hypotheses: H 0 : μ = 25 miles vs.H 1 : μ ≠ 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

Marathon Runners
 A researcher wants to study the average miles run per day for marathon runners.In testing the hypotheses: H 0 : μ = 25 miles vs.H 1 : μ ≠ 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.

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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 : μ = 25 miles vs.H 1 : μ ≠ 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 Run