Question: How much do you study? A survey among freshmen at a certain university revealed that the number of hours spent studying the week before

How much do you study? A survey among freshmen at a certain

How much do you study? A survey among freshmen at a certain university revealed that the number of hours spent studying the week before final exams was normally distributed with mean 27 and standard deviation 10. Use the Cumulative Normal Distribution Table to answer the following. (a) What proportion of students studied more than 43 hours? (b) What is the probability that a randomly selected student spent between 19 and 33 hours studying? (c) What proportion of students studied less than 34 hours? Round answers to at least four decimal places.

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