Solution-Conduct a hypothesis test to see if there is

Conduct a hypothesis test to see if there is compelling

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Reference no: EM132501643

Walter knows he hires a lot of risk-takers, but he is nevertheless surprised to see that 15 of the 36 employees in his sample visited an emergency room in the past year. Use this sample to answer questions i and j.

a) Conduct a hypothesis test to see if there is compelling evidence that more than a quarter of the population of his employees visited an emergency room in the past year. That is, test

H0: π ≤ 0.25 vs. Ha: π > 0.25

Perform your test at the 10 percent significance level. Draw a picture to support your test, and indicate the test-statistic and prob-value for the test.

b) Calculate a 95 percent confidence interval for the true population proportion of employees who visit an emergency room.

Reference no: EM132501643

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Conduct a hypothesis test to see if there is compelling

Reference no: EM132501643

Reference no: EM132501643

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