SOLUTION: according to an estimate, 50% of the people in the united states have at least one credit card. if a random sample of 30 persons is selected, what is the probability that 19 of the

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Question 747400: according to an estimate, 50% of the people in the united states have at least one credit card. if a random sample of 30 persons is selected, what is the probability that 19 of them has atleast one credit card?
Answer by reviewermath(1029) About Me  (Show Source):
You can put this solution on YOUR website!
probability = %28matrix%282%2C1%2C30%2C19%29%29%280.5%5E30%29+=+highlight%280.0508756%29+