Alyson Silvastein, a Scientist, Reports That the Average Number of Hours

True/False

Alyson Silvastein, a scientist, reports that the average number of hours a person can go
without sleep and still function normally is 29 with a standard deviation of five hours. A
sample of 49 people had an average of 31 hours that they could go without sleep and still
function normally. The test value for this hypothesis would be 2.8.