A 2015 study conducted by the National Center for Health Statistics found that 51% of U.S. households had no landline service. This raises concerns about the accuracy of certain surveys, as they depend on random-digit dialing to households via landlines. Researchers pick nine U.S. households at random. a) A What is the probability that all nine of them have a landline?(Round to five decimal places as needed b) What is the probability that at least one of them does not have a landline?(Round to five decimal places as needed c) What is the probability that at least one of them does have a landline? (Round to five decimal places as needed
A 2015 study conducted by the National Center for Health Statistics found that 51% of U.S. households had no landline service. This raises concerns about the accuracy of certain surveys, as they depend on random-digit dialing to households via landlines. Researchers pick nine U.S. households at random. a) A What is the probability that all nine of them have a landline?(Round to five decimal places as needed b) What is the probability that at least one of them does not have a landline?(Round to five decimal places as needed c) What is the probability that at least one of them does have a landline? (Round to five decimal places as needed
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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A 2015 study conducted by the National Center for Health Statistics found that 51% of U.S. households had no landline service. This raises concerns about the accuracy of certain surveys, as they depend on random-digit dialing to households via landlines. Researchers pick nine U.S. households at random. a)
A What is the probability that all nine of them have a landline?(Round to five decimal places as needed
b) What is the probability that at least one of them does not have a landline?(Round to five decimal places as needed
c) What is the probability that at least one of them does have a landline? (Round to five decimal places as needed
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