According to a survey, 22.8% of credit-card-holding families in a certain area hardly ever pay off the balance. Suppose random sample of 29 credit-card-holding families is taken. Find the probability that at least 4 families hardly ever pay off the balance. THE The probability that at least 4 families hardly ever pay off the balance is (Round to four decimal places as needed.)
According to a survey, 22.8% of credit-card-holding families in a certain area hardly ever pay off the balance. Suppose random sample of 29 credit-card-holding families is taken. Find the probability that at least 4 families hardly ever pay off the balance. THE The probability that at least 4 families hardly ever pay off the balance is (Round to four decimal places as needed.)
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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