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What is the probability that the battery life exceeds

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Reference no: EM131827018

The life of a particular brand of batteries is exponentially distributed with a mean of 4 weeks. You just replaced the battery in your gadget with the particular brand.

a. What is the probability that the battery life exceeds 2 weeks?

b. Given that the battery has lasted 6 weeks, what is the probability that it will last at least another 5 weeks?

Reference no: EM131827018

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