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Let X be a random variable with the following probability distribution a) Determine A. (2 marks) b) Find the mean E(X) of the random varlable

Let X be a random variable with the following probability distribution a) Determine A. (2 marks) b) Find the mean E(X) of the random varlable X. ( 2 marks) c) Find the variance of the random variable X. (2 marks)

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