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

The times that college students spend studying per week have a distribution skewed to the left with a mean of 8.4 hours and a

The times that college students spend studying per week have a distribution skewed to the left with a mean of 8.4 hours and a standard deviation of 2.1 hours. Find the probability that the mean time spent studying per week for a random sample of 65 college students would be a. between 7.9 and 8.6 hours. Round your answer to two decimal places. P= b. less than 8.2 hours. Round your answer to two decimal places. P=
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solution Given that w = 8.4 6 = 2.1 n = 65 ex = 8.4 0.2605 L a) P(7.9< X <8.6) =P 7.9-8.4 X-ux 8.6-8.4 l 0.2605 6x 0.2605) -p

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