Unformatted text preview: alternative assumptions: (1) after an unsuccessful trial, you mark the corresponding key, so that you never try it again, and (2) at each trial you are equally likely to choose any key. (b) Repeat part (a) for the case where the realtor gave you an extra duplicate key for each of the 5 doors. 3. Problem 2.20, page 123 in the text. As an advertising campaign, a chocolate factory places golden tickets in some of its candy bars, with the promise that a golden ticket is worth a trip through the chocolate factory, and all the chocolate you can eat for life. If the probability of Fnding a golden ticket is p , Fnd the mean and the variance of the number of candy bars you need to eat to Fnd a ticket. Published September 16, 2008 Page 1 of 1...
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 Spring '11
 Proasin
 Computer Science, Electrical Engineering, Probability theory, Probabilistic Systems Analysis, Department of Electrical Engineering & Computer Science, First Coin

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