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Suppose the lifetime of a lightbulb,,is exponentially distributed with a mean of 750 hours. (Reminder:what is the relationship between the mean lifetime and the parameter

Suppose the lifetime of a lightbulb,,is exponentially distributed with a mean of 750 hours.(Reminder:what is the relationship between the mean lifetime and the parameter

a.Determine the cumulative distribution function of. Be sure to specify it for all values of

b.Determine the probability that a bulb lasts more than 1000 hours.

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