# Probability : Random Selection

Suppose there are two vendors and each provides 50% of the items. The lifetime (in days) of an item from the first vendor is Exp(.1), and that from the second vendor is Exp(.08). Compute the probability that a randomly picked item will last more than 12 days.

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#### Solution Summary

A probability problem is solved. The probability that a randomly picked item will last more than 12 days is determined.

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