740 SL B MyLab Statistics All Assignmer X Do Homework - Eduardo Uman X Determine the area under the s x C Suppose That The Lifetimes O' x + -> C mathxl.com/Student/PlayerHomework.aspx?homeworkid=571771441&questionid=1&flushed=false&cld=6122828&back=https://www.mathxl.com/S... _ _ MAT-240-X1556 Applied Statistics 20EW1 Eduardo Umana & | Homework: 2-2 MyStatLab: Module Two Problem Set Score: 0 of 5 pts 9 of 15 (7 complete) HW Score: 31.15 7.2.42-T iEQ Suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 56 hours and a standard deviation of 3.2 hours, With this information, answer the following questions. (a) What proportion of light bulbs will last more than 60 hours? (b) What proportion of light bulbs will last 52 hours or less? (c) What proportion of light bulbs will last between 59 and 61 hours? (d) What is the probability that a randomly selected light bulb lasts less than 46 hours? (a) The proportion of light bulbs that last more than 60 hours is (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer. Clear All Check Answer 3 parts remaining