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    Independent random variables

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    4.19)
    The lifetimes of two car batteries (Brand A and B) are independent exponential random variables with means 12 hours and 10 hours, respectively. What is the probability that Brand B battery outlasts Brand A battery?

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    https://brainmass.com/math/probability/independent-random-variables-23854

    Solution Summary

    This shows how to work with the expected lifetimes of batteries and probability.

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