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Unformatted text preview: from the urn. a) What is the range of X ? b) Find an expression for the probability distribution function of X . Graph it with P ( x ) on the vertical axis and x on the horizontal axis. c) Find an expression for the cumulative probability function of X . Graph it with ) ( a F X on the vertical axis and a on the horizontal axis. d) What is the expected value of X ? e) What is the standard deviation of X ? f) What is the probability there will be at least three green balls in five draws? 3. Do Newbold, et al. problem 5.42 on page 157....
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This note was uploaded on 04/29/2008 for the course ECON 249 taught by Professor Baumann during the Spring '08 term at Holy Cross (MA).
 Spring '08
 Baumann
 Economics

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