4.6 7 of 14 (7 complete) Help Me Solve This Question Help A journal published a study of the lifestyles of visually impaired students. Using diaries, the students kept track of several variables, including number of hours of sleep obtained in a typical day These visually impaired students had a mean of 8 92 hours and a standard deviation of 2:09 hours Assume that the distribution of the number of hours of sleep for this group of students is approximately normal Complete parts a through c P(-0 44 $2 0 52)= 03685 (Round to four decimal places as needed ) Therefore the probablety P(8 =x = 10) is also 0 3635, C. Find the value a for which Pix sa) = 0.3 I Pix