Homework Help: statistics

Posted by Vijay on Monday, March 5, 2012 at 12:03am.

A continuously running washing machine receives jolts in a Poisson process at an average rate of 10 jolts per hour. The standard deviation of the number of jolts received in given 20 minute run is equal to

statistics - Anonymous, Wednesday, April 25, 2012 at 3:35am
Assume that grades follow a normal distribution (the “bell curve”). It is reasonable to assume
that the mean of this distribution is μ = 75 and the standard variation is ! = 8 .

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