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Unformatted text preview: MATH 218 SI Session (Fall 2008) Week 2 Worksheet (09/01 09/07) SI Leader: Joy Chen zuoyiche @ usc.edu Prof. Lin & Prof. Song www.usc.edu/si Topics Stressed: Probabilities, Contingency Tables, Rules 1. Five candidates are running for Building Government President. The probabilities of each of the candidates winning are as follows: a. Determine the sample space of the results. b. Find the probability that a guy will win the election. c. Find the probability that a girl will win the election. d. Find the probability that either Sandy or Allison will win the election. 2. Consider the experiment of rolling a fair die. Define event A as the die shows a number 1 or 4 or 6. Define event B as the die shows an odd number. a. List the outcomes favorable to event B, and determine P(B). b. Determine P(A) c. List the outcomes favorable to the event A and B. d. Determine P(A and B) e. Are events A and B mutually exclusive? Explain. f. List the outcomes favorable to the event A c ....
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