Lecture20 - Lecture 20 Nested Problems STAT 225, Dallas...

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Nested Problems 1 STAT 225, Dallas Bateman, Spring 2010 Lecture 20
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Practice Problems In each of the following cases, name the distribution that can best be used to describe the random variable X and give the value of all necessary parameters for that distribution: 2 STAT 225, Dallas Bateman, Spring 2010
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Practice Problems a) You have a bag of 100 M&M’s. 30 are green. If you grab a handful of 10 M&M’s, let X be the number of green M&M’s you grab.   ~ 100, 10, 0.3 X Hyp N n p    3 STAT 225, Dallas Bateman, Spring 2010
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Practice Problems b) Next you ask your neighbor if they like M&M’s. Assume that 70% of all people like M&M’s. Let X =1 if they say yes and X =0 if they say no.   ~ 0.7 X Bernoulli p 4 STAT 225, Dallas Bateman, Spring 2010
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Practice Problems c) Again, assume that 70% of all people like M&M’s. In a class of 40 students, let X be the number of students who like M&M’s.   ~ 40, 0.7 X Bin n p  5 STAT 225, Dallas Bateman, Spring 2010
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Practice Problems d) Suppose you have a jumbo bag of 10,000 M&M’s and 500 of them are yellow. Let X be the number of yellow ones you get in a handful of 10 M&M’s.
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This note was uploaded on 02/06/2012 for the course STAT 225 taught by Professor Martin during the Spring '08 term at Purdue University-West Lafayette.

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Lecture20 - Lecture 20 Nested Problems STAT 225, Dallas...

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