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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

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 22 and standard deviation 7. Find percentile corresponding to p= 55% of the number of hours studying. write only number as your answer. round to two decimal places. Do not write percentage.

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