This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
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)?...
View
Full Document
 Spring '12
 XU
 Normal Distribution, Standard Deviation, Probability theory, Randomness, American Express

Click to edit the document details