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2. Consider the following probability distribution. X f (x) = P( X = x) F(x) -1 05 0 .15 40 3 . 17 5 80

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2. Consider the following probability distribution. X f (x) = P( X = x) F(x) -1 05 0 .15 40 3 . 17 5 80 7 (a) Fill in the missing cells, assuming that those are the only possible values for X and this is a proper probability distribution function. (b) Calculate the mean and variance of X

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