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Find the mean and variance of the random variable x with the following probability distribution. 7. Find the mean and variance of the random variable

Find the mean and variance of the random variable x with the following probability distribution.

7. Find the mean and variance of the random variable X with the following probability distribution. X -2 1. 4 5 P(x O. O. 0. O. 3 2 1 4 Q Fi fall

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