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1. Given the probability distribution of random variable X as follows: x f(X) = E ' x = 0,1,2,3,4 Find the mean and variance of

1. Given the probability distribution of random variable X as follows: x f(X) = E ' x = 0,1,2,3,4 Find the mean and variance of X. 2. The number of claims on an insurance policy is a random variable with the following distribution function: 0 x

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