answer and how how it's done

Section 5.3: Problem 3 Previous Problem Problem List Next Problem (1 point) College students average 7.7 hours of sleep per night with a standard deviation of 35 minutes (HINT: convert this to hours). If the amount of sleep is normally distributed, what proportion of college students sleep for more than 8.6 hours? Probability = 0. 0427 Preview My Answers Submit Answers You have attempted this problem 2 times. Your overall recorded score is 0%. You have unlimited attempts remaining. Email instructor