The Probability That a Battery Will Last 14 Hr or More

question 57

Multiple Choice

The probability that a battery will last 14 hr or more is .50, and the probability that it will last 25 hr or more is .12. Given that a battery has lasted 14 hr, find the probability that it will last 25 hr or more. ​

• A) 0.26
• B) 0.295
• C) 0.315
• D) 0.24

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