quality control supervisor inspects a production of 35 computer chips, 5 of which are defective. He randomly selected 7 computer chips. Let X be the random variable representing the number of defective computer chips in the selection. A. What is the probability that the quality control inspector gets 0 or 1 defective computer chip? a. 0.7442 b. 0.9907 c. 0.3027 d. 0.7365 B. Find the mean defective computer chips a. 0.1429 b. 5 c. 1 d. 7

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