Math, asked by janagregorio69, 5 hours ago

According to a study, the average number of hours of TV viewing per household per week in the Philippines is 50.4 hours and the standard deviation is 11.8 hours. If a random sample of 42 households is taken, what is the probability that-

a.) the sample average is more than 52 hours?

b.) the sample average is less than 47.5 hours?

Answers

Answered by junaid

0

Answer:

b) The sample average is less than 47.5 hours

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