Let x denote the lifetime of a radio in years manufactured, Ask an Expert

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Let X denote the lifetime of a radio, in years, manufactured by a certain company. Assume that X is exponentially distributed, with a mean of 5 years.

(a) What is the probability that a radio will work for 10 years?

(b) Sam decides to purchase another 10 radios of this type. What is the exact probability that, of 10 such radios that Sam purchases, at least one of them will last more than 15 years?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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