The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 70 inches and a standard deviation of 10 inches. If X ¯ represents the average amount of snowfall in 7 years, find k such that P(X ¯
The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 70 inches and a standard deviation of 10 inches. If X ¯ represents the average amount of snowfall in 7 years, find k such that P(X ¯
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter28: Degree Of Precision, Greatest Possible Error, Absolute Error, And Relative Error
Section: Chapter Questions
Problem 43A
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The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 70 inches and a standard deviation of 10 inches. If X ¯ represents the average amount of snowfall in 7 years, find k such that P(X ¯ <k) = 0.9. Round your answer to 3 decimal places.
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