Question

According to Federal Highway Administration 2007 statistics, the percent of licensed female drivers has just surpassed the percent of licensed male drivers. Of the drivers in the United States, 50.2% are females. If a random sample of 50 drivers is to be selected for a survey,
a. what is the probability that no more than half (25) of the drivers are female?
b. what is the probability that at least three-fourths (38) of the drivers are female?


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  • CreatedAugust 28, 2015
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