The most famous geyser in the​ world, Old Faithful in Yellowstone National​ Park, has a mean time between eruptions of 85  minutes. If the interval of time between the eruptions is normally distributed with a standard deviation of 21.25 ​minutes, complete parts​ ​(a) through (f) (a) What is the probability that a randomly selected time interval between eruptions is longer than 97 minutes?      The probability that a randomly selected time interval is longer than 97 minutes is approximately

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A:

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A: According to the provided information, Mean (μ) = 347 Standard Deviation (σ) = 11 Sample Size (n) =…

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A: Given μ=679σ=35

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A: Mean = 553Standard deviation = 27

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