please solve both

Score: 77.8% Resources Ly Give Up? 9 Hint Check Ar f 18 Side-by-Side In a study of sleep quality and academic performance, the Using the standard deviation of 0.083 needed such that total sleep duration among college students was approximately 95% of all samples have a mean within 10 approximately Normally distributed with mean minutes of #, determine the number of students you need H = 7.13 hoursand standard deviation o = 1.67 hours. You to sample. want to use a sample size such that about 95% of the Report your answer as a whole number. averages fall within +10 minutes (0.17 hour) of the true mean # = 7.13. Number of students: Lab 4 FO X = Lab 4 For x = Labs_For x 63 19. Canv x ( Ch 5 Hon x Question X + ac/5084570#/5084570/10/-1 Q Score: 77.8% Resources CX Give Up? 9 Hint Check Ans of 18 Side-by-Side In a study of sleep quality and academic performance, the What standard deviation of x do you need so that 95% of all total sleep duration among college students was samples will have a mean within 10 minutes of u? approximately Normally distributed with mean H = 7.13 hoursand standard deviation o = 1.67 hours. You Provide your answer in hours to three decimal places. want to use a sample size such that about 95% of the averages fall within +10 minutes (0.17 hour) of the true mean # = 7.13. standard deviation of x: hours