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If X is a random variable taking values ...

If X is a random variable taking values `X_(1), X_(2)…X_(n)` with probabilities `P_(1), P_(2)…P_(n)` respectively. Then, find Var (X).

Text Solution

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The correct Answer is:
`sigmap_(i)x_(i)^(2)-(sigma p_(i) x_(i))^(2)`
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