The probability distribution of a discrete random variable $X$ is given as under:

X	1	2	4	2A	3A	5A
P(X)	1/2	1/5	3/25	1/10	1/25	1/25

Calculate:

The value of $$ if $E(X)=2.94$ (ii)Variance of X

This is a Long Answer Type Questions as classified in NCERT Exemplar

Sol:$\begin{array}{l}\end{array}$

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