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Prob of rolling a 1 = 1/10, rolling a 2 = 2/10, 3 = 3/10, 4 = 4/10

Let X be the value thrown

Calculate E(X) and Var(X)

To do this can't use E(X) = np and can't use Var(X) = npq

is this correct?

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# Binomial distribution bias

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