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The average number of hours of TV viewing per household per week in Australia is 48 hours. Suppose the standard deviatio

Posted: Wed May 11, 2022 8:17 pm
by answerhappygod
The average number of hours of TV viewing per household per
week in Australia is 48 hours.
Suppose the standard deviation is 2626 hours
and a random sample of 40 Australian households is
taken,
What is the probability that the sample average is greater
than 57 hours