Find probability sample eruption intervals average time

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Reference no: EM13156056

Geyser in yellowstone national park has a mean time of 85 minutes between eruptions with a standard deviation of 21.25 minutes interval time between eruptions is normally distributed find the probability that is a sample of 30eruption intervals the average interval of time between eruptions was more than 75 minutes.

Reference no: EM13156056

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