Smartphones Based on an LG smartphone survey, assume that 51% of adults with smartphones use them in theaters. In a separate survey of 250 adults with smartphones, it is found that 109 use them in theaters. a. If the 51% rate is correct, find the probability of getting 109 or fewer smartphone owners who use them in theaters. b. Is the result of 109 significantly low?
Smartphones Based on an LG smartphone survey, assume that 51% of adults with smartphones use them in theaters. In a separate survey of 250 adults with smartphones, it is found that 109 use them in theaters. a. If the 51% rate is correct, find the probability of getting 109 or fewer smartphone owners who use them in theaters. b. Is the result of 109 significantly low?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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Smartphones Based on an LG smartphone survey, assume that 51% of adults with smartphones use them in theaters. In a separate survey of 250 adults with smartphones, it is found that 109 use them in theaters.
a. If the 51% rate is correct, find the probability of getting 109 or fewer smartphone owners who use them in theaters.
b. Is the result of 109 significantly low?
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