Question: Directory Assistance An article in USA Today stated that Internal surveys paid for by directory assistance providers show that even the most accurate companies give

Directory Assistance An article in USA Today stated that “Internal surveys paid for by directory assistance providers show that even the most accurate companies give out wrong numbers 15% of the time.” Assume that you are testing such a provider by making 10 requests and also assume that the provider gives the wrong telephone number 15% of the time.

a. Find the probability of getting one wrong number.

b. Find the probability of getting at most one wrong number.

c. If you do get at most one wrong number, does it appear that the rate of wrong numbers is not 15%, as claimed?

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