Based on a smartphone survey assume that 47 of adults with smartphones use them in...
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Based on a smartphone survey assume that 47 of adults with smartphones use them in theaters In a separate survey of 300 adults with smartphones it is found that 140 use them in theaters a If the 47 rate is correct find the probability of getting 140 or fewer smartphone owners who use them in theaters b Is the result of 140 significantly low O a If the 47 rate is correct the probability of getting 140 or fewer smartphone owners who use them in theaters is Round to four decimal places as needed b Is the result of 140 significantly low because the probability of this event is than the probability cutoff that corresponds to a significant event which is
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