Stat1000W12_A4

Stat1000W12_A4 - STAT 1000 Assignment 4 – REVISED DUE...

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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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Stat1000W12_A4 - STAT 1000 Assignment 4 – REVISED DUE...

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