It Has Been Hypothesized That on Average Employees Spend One

question 13

Multiple Choice

It has been hypothesized that on average employees spend one hour a day playing video games at work. To test this claim, a manager takes a random sample of 35 employees who showed a mean time of 55 minutes per day with a standard deviation of 5 minutes.
-How would you define the rejection region for this test at ? = .01?

• A)t > 2.575
• B)t > 2.33
• C)t > 1.96 and t < -1.96
• D)t > 3.29 and t < -3.29
• E)t > 2.728 and t < -2.728

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