Let X be a random variable whose possible values x1- x2- x3- - xn occur with probabilities p1- p2- p3- - pn- respectively- The mean of X- denoted byA- -1-n-i-1n pi xi2B- -1-n-i-1n pi xiC- - -i-1n pi xi2D- -i-1n pi xi

The correct option is D 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. The mean of X, denoted by

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Solution

The correct option is D

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Let X be a random variable whose possible values x1, x2, x3, ..., xn occur with probabilities p1, p2, p3,..., pn, respectively. The mean of X, denoted by

The correct option is D

Let X be a random variable whose possible values x₁, x₂, x₃, ..., x_n occur with probabilities p₁, p₂, p₃,..., p_n, respectively. The mean of X, denoted by