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  3. suppose a geyser has a mean time between eruptions

Suppose a geyser has a mean time between eruptions of 66 minutes. If the interval of...

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Basic Math

Suppose a geyser has a mean time between eruptions of 66minutes. If the interval of time between the eruptions is normallydistributed with standard deviation

24 minutes?, answer the following question.

What is the probability that a random sample of 38 timeintervals between eruptions has a mean longer than 76 ?minutes?

The probability that the mean of a random sample of 38 timeintervals is more than 76 minutes is approximately __________

?(Round to four decimal places as? needed.)

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Solution Given that mean 66standard deviation 24n 38    See Answer
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