Based on a smartphone survey, assume that 45% of adults with smartphones use them in theaters. In a separate survey of 287 adults with smartphones, it is found that 108 use them
in theaters.
a. If the 45% 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 45% rate is correct, the probability of getting 108 or fewer smartphone owners who use them in theaters is
(Round to four decimal places as needed.)