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The probability that a battery will last 10 hr or more is 0.9, and the probability that it will last 15 hr or more is 0.13. given that a battery has lasted 10 hr, find the probability that it will last 15 hr or more. (round your answer to three decimal places.)

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P(B|A) = P(B)/P(A) = 0.11/0.7 = =.157
User Andrei U
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