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Unformatted text preview: MATH 121 DISCUSSION WEEK 9 WORKSHEET 1) A 4member club consisting of Al, Bo, Dee, and Fay has decided to elect two cocaptains. (a) What is the sample space for all possible pairs of cocaptains? (b) What is the event that Dee is one of the cocaptains? (c) What is the probability that Dee is one of the cocaptains? 2) Consider the set of all ordered arrangements of the letters, a,b, and c . (a) What is the sample space for all permutations of these 3 letters? (b) What is the event that a comes before c ? (c) What is the probability that b and c are next to each other? 3) There are 367 people enrolled in an Intro to Psychology class. What is the probability that at least two of them share the same birthday? 4) Suppose that you have drawn 5 cards from a standard 52deck of cards. What is the probability that you drew five aces? 5) Suppose that you draw three cards at random from a deck of 52 cards and that you replace the deck with the card you drew each time before drawing again....
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This note was uploaded on 12/07/2010 for the course MATH Math 121 taught by Professor Beaulieu during the Fall '10 term at UMass (Amherst).
 Fall '10
 Beaulieu
 Math, Probability

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