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April 20, 2014

Homework Help: Probability

Posted by Janice on Monday, November 2, 2009 at 9:09pm.

Daily output of Marathon's Garyville, Lousiana, refinery is normally distributed with a mean of 232,000 barrels of crude oil per day with a standard deviation of 7,000 barrels.

Find the probability of producing..
a.
at least 232,000 barrels

b.
between 232,000 and 239,000 barrels

c.
less than 239,000 barrels

d.
less than 245,000 barrels

e.
more than 225,000 barrels

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