According to a certain​ survey, adults spend 2.35 hours per day watching television on a weekday….

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According to a certain​ survey, adults spend 2.35 hours per day watching television on a weekday….

According to a certain​ survey, adults spend 2.35 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 50 adults is​ obtained, describe the sampling distribution of x overbar​, the mean amount of time spent watching television on a weekday.

One consequence of the popularity of the Internet is that it is thought to reduce television watching. Suppose that a random sample of

45 individuals who consider themselves to be avid Internet users results in a mean time of 1.98 hours watching television on a weekday. Determine the likelihood of obtaining a sample mean of 1.98 hours or less from a population whose mean is presumed to be 2.35

hours.

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Reference no: EM132069492

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