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Suppose that the probability distribution

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Suppose that the probability distribution of a random variable x can be described by the formula;p(x) = x /15;for each of the values x = 1, 2, 3, 4, and 5. For example, then, P(x = 2) = p(2) = 2/15.;A) Write out the probability distribution of x.;b) Show that the probability distribution of x satisfies the properties of a discrete probability;distribution.;c) Calculate the mean of x.;d) Calculate the variance, O2x, and the standard deviation, Ox.

 

Paper#28710 | Written in 18-Jul-2015

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