1) Based on a Comcast survey, there is a 0.76 probability that a randomly selected adult will watch prime-time TV live, instead of online or on DVR. Fifteen adults are randomly selected. (6 pts each) a) Find the probability that fewer than six of the selected adults watch prime-time live. b) Find the mean number of adults who watch prime-time live in samples of 15 adults. Do not round. c) Find the standard deviation of adults who watch prime-time live in samples of 15 adults. Round to two decimal positions. d) Would it be unusual (statistically significant) for all of the 15 randomly selected adults to be watching prime-time TV live? Justify your answer!
Probability standard deviation
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