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Mathematics 8 Online
OpenStudy (rbrown):

what is the standard deviation of the random variable X, "the number that comes up on the die" for a fair 8-sided die?

satellite73 (satellite73):

it is a lot to explain here but it is doable read this, it explains pretty well https://answers.yahoo.com/question/index?qid=20080515022526AAWf63i

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