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Suppose the time to prepare a bed at a hospital is modeled

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Suppose the time to prepare a bed at a hospital is modeled with a random variable with a mean of 20 mins and a variance of 16 mins. approximate the probabilities of the following events

(a) Mean time to prepare 100 beds is less that 21 mins

(b) Total time to prepare 100 beds is less than 2200 mins?

Reference no: EM13612756

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