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(Solved): Based on a smartphone survey, assume that \( 55 \% \) of adults with smartphones use them in theate ...




Based on a smartphone survey, assume that \( 55 \% \) of adults with smartphones use them in theaters. In a separate survey o
Based on a smartphone survey, assume that \( 55 \% \) of adults with smartphones use them in theaters. In a separate survey of 227 adults with smartphones, it is found that 108 use them in theaters. a. If the \( 55 \% \) rate is correct, find the probability of getting 108 or fewer smartphone owners who use them in theaters. b. Is the result of 108 significantly low? a. If the \( 55 \% \) rate is correct, the probability of getting 108 or fewer smartiphone owners who use them in theaters is (Round to four decimal places as needed.)


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Let X be a random variable which denotes the number of smartphone users who use them in theatres out of a random sample of 227 adults. Here we have 22
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