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

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) (Show Source): You can put this solution on YOUR website!
probability =
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