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There is a river whose average daily flow Q follows a normal distribution. The average flow...

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Statistics

There is a river whose average daily flow Q follows a normaldistribution. The average flow is 8000 cfs and the standarddeviation is 1000 cfs. Determine the following:
(a) The probability that the flow observed on a given dayexceeds 10,000 cfs.
(b) The probability that the observed flow is between 5,000and 7,000 cfs.
(c) The value of the flow that has a 1% probability ofexceeding.

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