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 30 and standard deviation 8 . Use the TI-84 PLus calculator to answer the following- Round the answers to at least two decimal places. Part: 0/3 Part 1 of 3 (a) Find the 93rd percentile of the number of hours studying. The 93rd percentile of the number of hous studying is hours: (b) Find the 38th percentile of the number of hours studying. The 38th percentile of the number of hours studying is hours. Part: 2/3 Part 3 of 3 (c) Between what two values are the middle 86% of the hours spent studying? The middle 86% of the number of hours spent studying is between and hours. 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 30 and standard deviation 8 . Use the TI-84 PLus calculator to answer the following- Round the answers to at least two decimal places. Part: 0/3 Part 1 of 3 (a) Find the 93rd percentile of the number of hours studying. The 93rd percentile of the number of hous studying is hours: (b) Find the 38th percentile of the number of hours studying. The 38th percentile of the number of hours studying is hours. Part: 2/3 Part 3 of 3 (c) Between what two values are the middle 86% of the hours spent studying? The middle 86% of the number of hours spent studying is between and hours