Solved: The probability of at least one of them getting a b is 91, Mathematics

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The probability of at least one of them getting a b is 91

Harold and Mary are studying for a test.

Harold's chances of getting a "B" are 80%. Sharon's chances of getting a "B" are 90%.

The probability of at least one of them getting a "B" is 91%.a. What is the probability that only Harold gets a "B"?b. What is the probability that only Sharon gets a "B"?c. What is the probability that both won't get a "B"?

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Mathematics: The probability of at least one of them getting a b is 91

Reference No:- TGS01127169

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