A batch of 20 injection-molded parts contains 5 parts that have suffered excessive shrinkage. If two parts are selected at random, and without replacement, what is the probability that the second part selected is one with excessive shrinkage? Let A and B denote the event that the first and second part selected has excessive shrinkage, respectively. (Show complete solution in your answer sheet) a. 0.2000 O b.0.2500 O c. 0.2237 d. None among the choices

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