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Unformatted text preview: STAT 1000 Assignment 4 REVISED DUE: March 14th (Wed. Eve. Section), March 15th (T/Th. Sections), March 16th (MWF. Sections) SHOW ALL YOUR WORK 1. [5] Suppose we have the following information about credit card ownership for Canadian adults: 51% have a Mastercard (M) 20% have an American Express card (A) 70% have a Visa (V) 29% have a Visa and a Mastercard 14% have a Visa and an American Express card 8% have a Mastercard and an American Express card 6% have all three cards (a) If we randomly select one Canadian adult, what is the probability they have a Mastercard or a Visa? (b) If we randomly select one Canadian adult, what is the probability that he or she has a Mastercard or an American Express, but not both? (c) What is the probability that a randomly selected Canadian adult has a Visa and no Mastercard? (d) Are any two of the three events independent of one another? Explain? 2. [5] A baseball player compiles the following information: He hits a homerun (H) in 34% of his games. He gets a strikeout (S) in 40% of his games. In 78% of his games, he hits a home run or his team wins (W). In 10% of his games, he hits a home run and gets a strikeout. In 26% of his games, he hits a home run and his team wins. In 28% of his games, he gets a strikeout and his team wins. (a) In any given game, what is P(H or S)?...
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This note was uploaded on 04/01/2012 for the course STAT 1000 taught by Professor Xu during the Spring '12 term at Manitoba.
 Spring '12
 XU

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