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Exercise 3: Defective or Non-defective Computers Your computer teacher told you that the 6 computers in the separate computer room contains two that are defective. If you and your classmate are allowed to use two of these computers at random, list the sample space S using the letters D for defective and N for non-defective computers, respectively. To each sample point, assign a value of the random variable Y representing the number of computers which are defective. Value of the Random Variable Y Probability P(Y)