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A random variable X has the following...

A random variable X has the following probability distribution: `I` `0` `1` `2` `3` `4` `5` `6` `7` `P\ (X)` `0` `K` `2K` `2K` `3K` `K^2` `2K^2\ ` `7K^2+K` Determine: (i) K (ii) P(X<3) (iii) P(X > 6) (iv) P (0 < X < 3)

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