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A study conducted last year indicated that adults spent an average of 14 hours on household chores during the weekend

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A study conducted last year indicated that adults spent an average of 14 hours on household chores during the weekend. A research group wishes to determine if the average hours spent on household chores during the weekend this year is different from the 14 hours last year. Consequently, the research group selects a random sample of 64 adults and finds the mean hours spent on household chores during the weekend to be 15.05 hours. The population standard deviation is known to be 3.0 hours.

Formulate and test the appropriate hypothesis using the p-value approach.

A. What is the p-value of the test?

B. Would the null hypothesis be rejected at &alpha: = 0.01?

C. What would be the conclusion?