The times that college students spend studying per week have a distribution skewed to the right with a mean of 7.9 hours and a standard deviation of 2.2 hours. Find the probability that the mean time spent studying per week for a random sample of 45 colle students would be a. between 7,4 and 8.1 hours. Round your answer to two decimal places. P = i 0.6653 b. less than 7.8 hours.

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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.