Week Two Problems - Week Two Problems Narinder Schoeling...

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Week Two Problems Narinder Schoeling Ashford University – Online Campus BUS 308 Statistics for Managers Professor Jake Grandy November 23, 2009
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Week Two Problems A. Chapter 4: 4.4. Suppose that a couple will have three children. Letting B denote a Boy and G Denote a girl: a. Draw a tree diagram depicting the sample space outcome for this experiment. B BBB B G BBG B B BGB G G BGG B GBB B G GBG G B GGB G G GGG b. List the sample space outcomes that correspond to each of the following events: 1. All three children will have the same gender The probability is P (BBB) + P (GGG) = 1/8 + 1/8 = 2/8 or 1/4 2. Expect two of the three children will be girls. BGG, GBG, GGB (3 space outcomes) The probability is P (BGG) + P (GBG) + P (GGB) = 1/8 + 1/8 + 1/8 = 3/8 3. Expected one of the three children will be girls.
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BBG, BGB, GBB (3 space outcomes) The probability is P (BBG) + P (BGB) + P (GBB) = 1/8 + 1/8 + 1/8 = 3/8 4. None of the three children will be girls. BBB (1 space outcomes)
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This note was uploaded on 09/15/2011 for the course MARKETING MGT 350 taught by Professor Kristinbrocklesby during the Spring '11 term at Ashford University.

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Week Two Problems - Week Two Problems Narinder Schoeling...

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