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From a sample with n = 36, the mean duration of a geyser's eruptions is 3.67 minutes and the standard deviation is 0.68 minutes. Using Chebycher's Theorem,
determine at least how many of the eruptions lasted between 2.31 and 5.03 minutes
At least of the eruptions lasted between 231 and 5:03 minutes
(Simplify your answer)

Respuesta :

Old Faithful is a famous geyser at Yellowstone National Park. From a sample with n = 32, the mean duration of Old Faithful's eruptions is 3.32 minutes and the standard deviation is 1.09 minutes. Using Chebychev's Theorem, determine at least how many of the eruptions lasted between 1.14 minutes and 5.5 minutes.

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