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A random variable X has the following pr...

A random variable X has the following probability distribution:
`X :\ -2\ -1\ \ 0\ 1\ 2\ 3`
`\ P(X): 0.1\ k\ \ 0. 2\ \ 2k\ 0. 3\ \k` , find value of `k`

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RD SHARMA ENGLISH-MEAN AND VARIANCE OF A RANDOM VARIABLE -All Questions
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