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STA116 - INTRODUCTION TO PROBABILITY AND STATISTICS QUESTION 1 (5 marks) An electronic device has 8 transistors. Two of the transistors are found to be

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STA116 - INTRODUCTION TO PROBABILITY AND STATISTICS

QUESTION 1 (5 marks)

An electronic device has 8 transistors. Two of the transistors are found to be faulty. Three transistors were chosen randomly, one by one without replacement. Let X is the random variable representing the number of faulty transistors. Construct the probability distribution for X.

QUESTION 2

X is a discrete random variable with probability function given by:

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