6 Chrome File Edit View History Bookmarks Profiles Tab Window Help '53 G} Wed 12:56 PM Q 0 55 Take a Test - Shane Amar =33 MyLab and Mastering i mathxl.com/Student/PlayerTest.aspx?testld=237717546¢erwin=yes -> C' i coursehero.co . Math 54: Elementary Statistics (2) ShaneAmar 5 | 12/15/2112:56 PM Apps M Gmail II YouTube This test: 100 point(s) possible 2 Test: Final E... Question 46 of 48 This question: 3 point(s) possib'e Submit test Suppose that a recent poll found that 44% of adults believe that the overall state of moral values is poor. Complete parts (a) through (c). (a) For 350 randomly selected adults, compute the mean and standard deviation of the random variable X, the number of adults who believe that the overall state of moral values is poor. The mean of X is . (Round to the nearest Mlole number as needed.) The standard deviation of X is . (Round to the nearest tenth as needed.) (b) Interpret the mean. Choose the oorrect answer below. 0 A. For every 350 adults, the mean is the minimum number of them that would be expected to believe that the overall state of moral values is poor. 0 B. For every 350 adults, the mean is the number of them that would be expected to believe that the overall state of moral values is poor 0 C. For every 154 adults, the mean is the maximum number of them that would be expected to believe that the overall state of moral values is poor. 0 D. For every 350 adults, the mean is the range that would be expected to believe that the overall state of moral values is poor. (c) Would it be unusual if 171 of the 350 adults surveyed believe that the overall state of moral values is poor? 0 No 0 Yes (9 Time Remaining: 02:33:49 m e: 7H l