Statistics 13C Homework # 3 For discussion, Tues, 10/15/08 F. J. Samaniego From the text: Chapter 4: # 31, 32, 37, 83, 85, 91, 92, 124; Chapter 5: # 8, 25 Also, solve the following problems: 1. An ASUCD commission consists of 5 males and 7 females. A 3-person subcommittee is to be formed to study the question of whether semesters are preferable to quarters. (a) How many different subcommittees are possible? (b) How many different subcommittees are possible if Andy and Merlene are feuding and refuse to serve together? (c) How many different subcommittees are possible if all-male and all-female subcommittees are not allowed? 2. There’s a peeping Tom in Beavis and Butthead’s neighborhood, and both Beavis and Butthead are suspects. They will shortly be appearing in a “line up”, that is, a straight line consisting of five suspects. Suppose that Beavis and Butthead are assigned their places at random. Let X be the number of people standing between Beavis and Butthead. (a) Find the probability
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