according to a certain survey, 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 x, the mean amount of time spent watching television on a weekday.

x is approximately normal with x = 2.45 and x=

(round to sixth decimal place as needed)