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A recent study claimed the average number of hours that VCU students work per week is 11.5. You believe it is higher than that. A

A recent study claimed the average number of hours that VCU students work per week is 11.5. You believe it is higher than that. A random sample of 200 VCU students revealed that the average number of hours worked per week is 12.1. The population standard deviation is 4.6. You wish to test the hypothesis at significance level .05.

Which of the following is your conclusion?

A. Fail to reject the null

B. Reject the null

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