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The times that college students spend studying per week have a distribution skewed to the right...

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Statistics

The times that college students spend studying per week have adistribution skewed to the right with a mean of 7.6 hours and astandard deviation of 2.6 hours. Find the probability that the meantime spent studying per week for a random sample of 45 collegestudents would be

a. between 7.0 and 7.9 hours.

Round your answer to two decimal places.



P=____

b. less than 7.3 hours.

Round your answer to two decimal places.



P=____

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