# ws728 - Rob Bayer Math 55 Worksheet July 28, 2009 Basic...

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Unformatted text preview: Rob Bayer Math 55 Worksheet July 28, 2009 Basic Probability 1. Suppose you flip 3 fair coins. (a) What is the sample space for this setup? (b) In terms of sets, what is the event described by at least 2 heads? (c) What is the probability of this event? (d) Repeat (b) and (c) for the event the coins come up the same 2. Determine the probability for each of the following events. What is the sample space in each case? (a) Getting 6 heads when you flip a fair coin 6 times? (b) Getting 4 heads when you flip a fair coin 6 times? (c) Getting a flush in poker? (a flush means all cards are the same suit) (d) Winning the lottery by picking 7 correct numbers out of 50 choices? 3. Suppose you enter a raffle in which 10 prizes will be given out by drawing names at random from a hat with 100 names in it. What is the probability that you win at least one prize if: (a) Names are not replaced after being drawn?...
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## This note was uploaded on 09/10/2009 for the course MATH 55 taught by Professor Strain during the Summer '08 term at University of California, Berkeley.

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