Question 858778: According to records of commonwealth Edison, the mean electric consumption
during January is 1,650 kilowatt hours, with a standard deviation of 320
kilowatt hours. The monthly electric consumption for January follows a normal
distribution.
a. Selecting a customer at random, find the probability than the customer uses
between 1,500 and 2,500 kilowatt hours in January.
b. Commonwealth Edison wants to identify its heaviest users, which are those
that are in the top 6% of electric consumption. How many kilowatt hours in
January would qualify for the heavy user classification?
Answer by psbhowmick(878)   (Show Source):
You can put this solution on YOUR website! I have already solved this problem. See the link below
http://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.858772.html
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