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The time that college student spend studying per week have a distribution skewed to the left with a mean of 8.3 hours and a standard

The time that college student spend studying per week have a distribution skewed to the left with a mean of 8.3 hours and a standard deivation of 2.7 find the probability that the mean time spent studying per week for a random sample of 45 college students would be:

a. between 8.4 and 9.2 hours

p=

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