Unformatted text preview: (a) What is the probability that the marble drawn from the second urn was red? (b) Given that the marble from the second urn is red, ﬁnd the probability that the second marble drawn from the ﬁrst urn was grey. 3 [22pts] Draw three cards from a standard deck, without replacement, and let X be the number of suits that appear in your sample of three cards. Find the probability generating function G X ( z ) for X (you should explain your calculation of the probabilities to get full credit). Last compiled at 5:14 P.M. on June 29, 2011 1...
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 Summer '10
 WARREN
 Probability, Probability theory, Dice, Generating function, 22pts, 16pts, ﬁrst urn

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