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Let X be the number of packages being mailed by a randomly selected customer at a certain shipping facility. Suppose that the distribution of X

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Let X be the number of packages being mailed by a randomly selected customer at a certain shipping facility. Suppose that the distribution of X is as follows: 1 2 p(I) .5 .2 .3 A a random sample of size n = 3 is selected. find pmf of X, = Kitty 3 and construct a histogram, give three smallest values of the sample variance S?, and find their probabilities

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