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28 August, 15:54

Automobile warranty claims for engine mount failure in a troppo malo 2000 se are rare at a certain dealership, occurring at a mean rate of 0.1 claim per month. (a) what is the probability that the dealership will wait at least 6 months until the next claim

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  1. 28 August, 17:05
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    The probability that the dealership will wait at least 6 months until the next claim is solved by:We know that the mean number of occurrences per time unit is 0.1, then let’s denote this by λ

    So: f (x) = 1 - e ^ - λx for x > 0

    P (x > 6) = e^ - x

    = e ^-0.1 * 6

    = 0.5488
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