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A discret random variable X has the foll...

A discret random variable `X` has the following probability distribution: `X :1234567` `P(X):c2c2c3cc^22c^27c^2+c` Find the value of `cdot` Also, find the mean of the distribution.

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