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Economics Homework Help
Economics Homework Help
Question
P.8 Let Xbe a discrete random variable that is the value shown on a single roll of a fair die. (a) Represent the probability density function x) in tabular form. (b) what is the probability that X = 4? That X = 4 or X = 5? (c) What is the expected value of X? Explain the meaning of E(X) in this case. (d) Find the expected value of x2. (e) Find the variance of X (f) Obtain a die. Roll it 20 times and record the values obtained. What is the average of the first 5 values? The first 10? What is the average of the 20 rolls?
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20 Sep 2017
Due Date: 20 Sep 2017
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