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Please solve only question 4 . Question 4 : Q6 prob. 1/3 2 prob. 1/2. A random variable X is defined by X 3 prob.

Please solve only question 4 .

Question 4 :

Q6 prob. 1/3 2 prob. 1/2. A random variable X is defined by X 3 prob. 1/6 Find (a) E(X)

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