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Based on a smartphone survey, assume that 585 of adults with smartphones use them in theaters. In a separate survey of 287 adults with smartphones,
Based on a smartphone survey, assume that
585
of adults with smartphones use them in theaters. In a separate survey of
287
adults with smartphones, it is found that
164164
use them in theaters.
a. If the
5858%
rate is correct, find the probability of getting
164
or fewer smartphone owners who use them in theaters.
b. Is the result of
164
significantly low?
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