Watching TV: In 2012, the General Social Survey asked a sample of

1314

people how much time they spent watching TV eachday.The mean number of hours was 2.85

with a standard deviation of 2.62

.A sociologist claims that people watch a mean of 3

hours of TV perday.Do the data provide sufficient evidence to conclude that the mean hours of TV watched per day is less than theclaim?Use the = 0.01 level of significance and the P-valuemethod with theTI-84Pluscalculator.

Part 1 of 4

(a) State the appropriate null and alternate hypotheses.

H0: H1: This hypothesis test is a left, right, or two tailed test?

Part 2 of 4

(b) Compute the P-value. Round the answer to at least four decimalplaces.

P -value

Part 3 Do we reject Ho?

Part 4 Do we have enough evidence to reject or fail to reject the hypothesis?