Let X be a random variable whose possible values x1- x2- x3- - xn occur with probabilities p1- p2- p3- - pn- respectively- Also- - be the mean of X - The variance of X- denoted by Var X is defined asA- Varx-x2-i-1nxi-22 pxiB- Varx-2x-i-1nxi-2 pxiC- Varx-x2-i-1nxi2-2 pxiD- Varx-x2-i-1nxi-2 pxi

The correct option is C nbsp; nbsp; nbsp; nbsp; ...

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Standard XII

Mathematics

Probability Distribution

Let X be a ra...

Question

Let X be a random variable whose possible values x₁, x₂, x₃, ..., x_n occur with probabilities p₁, p₂, p₃,..., p_n, respectively. Also, μ be the mean of X. The variance of X, denoted by Var (X) is defined as

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Solution

The correct option is C

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