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**Unformatted text preview: **Section 5.11 is important. Problem 9 The performance on this problem was better than on the similar problem on the Make-Up. Once again, I want to emphasize that determining the kind of distribution being described is a crucial first step in solving word problems involving random variables. Extra Credit Problem 10 This is the kind of problem I might use if I were writing Exam P. A few of the people who did part (a) were sloppy in how they wrote things, and came out with the complementary probability. Since the probability was , the complementary probability is also , so the numeric answer was correct, but the method was not. If I were writing Exam P (or rewriting the final), I would make sure the correct answer was not and put the complementary probability as one of the choices....

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