Based on a smartphone survey, assume that 41% of adults with smartphones use them in theaters. In a separate survey of 223 adults with smartphones, it is found that 90 use them in theaters. ← a. If the 41% rate is correct, find the probability of getting 90 or fewer smartphone owners who use them in theaters. b. Is the result of 90 significantly low? a. If the 41% rate is correct, the probability of getting 90 or fewer smartphone owners who use them in theaters is (Round to four decimal places as needed.) b. Is the result of 90 significantly low? because the probability of this event is than the probability cutoff that corresponds to a significant event, which is
Based on a smartphone survey, assume that 41% of adults with smartphones use them in theaters. In a separate survey of 223 adults with smartphones, it is found that 90 use them in theaters. ← a. If the 41% rate is correct, find the probability of getting 90 or fewer smartphone owners who use them in theaters. b. Is the result of 90 significantly low? a. If the 41% rate is correct, the probability of getting 90 or fewer smartphone owners who use them in theaters is (Round to four decimal places as needed.) b. Is the result of 90 significantly low? because the probability of this event is than the probability cutoff that corresponds to a significant event, which is
Chapter8: Sequences, Series,and Probability
Section: Chapter Questions
Problem 18T: You attend a karaoke night and hope to hear your favorite song. The karaoke song book has 300...
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