(Answered) So for the following problem what is the excel formula used

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So for the following problem, what is the excel formula used to obtain the following answers.

Adults spend 2.45 hours per day watching television on a weekday. Assume that the standard deviation for? "time spent watching television on a?weekday" is 1.93 hours. If a random sample of 40 adults is? obtained, describe the sampling distribution of overbar x?, the mean amount of time spent watching television on a weekday.

X (with uniform distribution ? or is approximately normal?) μ-_x = ___ and σ-_x= __

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