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Unformatted text preview: STAT 333 Assignment 1 Due: Thursday, Sep. 30 at the beginning of the class (Please print) Last name: First Time: ID#: Acknowledgements: Mark: TAs initials: Chapter 1 1. (#18)Assume that each child who is born is equally likely to be a boy or a girl. If a family has two children, what is the probability that both are girls given that (a) the eldest is a girl, (b) at least one is a girl? 2. (#20)Three dice are thrown. What is the probability the same number appears on ex actly two of the three dice. 3. (#21)Suppose that 5 percent of men and 0 . 25 percent of women are colorblind. A color blind person is chosen at random. What is the probability of this person being male? Assume that there are an equal number of males and females. Chapter 2 4. (#43) An urn contains n + m balls, of which n are red and m are black. They are withdrawn from the urn, one at a time and without replacement. Let X be the number of red balls removed before the first black ball is chosen. We are interested in determiningof red balls removed before the first black ball is chosen....
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 Fall '10
 MenZhongxian
 Probability

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