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 21.25 minutes. (b) What is the probability that a random sample of 6 time intervals between eruptions has a mean longer than 97? The probability that the mean of a random sample of 6 time intervals is more than 97 minutes is approximately?
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 21.25 minutes. (b) What is the probability that a random sample of 6 time intervals between eruptions has a mean longer than 97? The probability that the mean of a random sample of 6 time intervals is more than 97 minutes is approximately?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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