It has been hypothesized that on average employees spend one hour a day playing video games at work.To test this at her company,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.What is the critical value for testing these hypotheses at $\alpha$ = .01.
A)1.28
B)1.645
C)1.96
D)2.33
E)2.575

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The Answer of It has been hypothesized that on average employees spend one hour a day playing video games at work.To test this at her company,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.What is the critical value for testing these hypotheses at $\alpha$ = .01.
A)1.28
B)1.645
C)1.96
D)2.33
E)2.575

It Has Been Hypothesized That on Average Employees Spend One α\alphaα

It Has Been Hypothesized That on Average Employees Spend One $\alpha$