Question: Problem 2.63 In the manufacture of a certain article, two types of defects are noted that occur with probabilities 0.02, 0.05, respectively. If these two

Problem 2.63 In the manufacture of a certain article, two types of defects are noted that occur with probabilities 0.02, 0.05, respectively. If these two defects occur independently of one another what is the probability that:

(a) an article is free of both kinds of defects?

(b) an article has at least one defect of either type?

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