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August 31, 2015

Homework Help: Math (Statistics)

Posted by Heather on Monday, March 14, 2011 at 3:25pm.

I am to find the mean, variance, and standard deviation for the probability distribution. I don't even know where to start. Here is the problem

x P(x)
0 0.19
1 0.32
2 0.28
3 0.21

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