Department of Chemical Engineering University of California, Santa Barbara Ch.E. 132C Winter, 2006 Quiz 1 1.(25 points) A shipment consists of 160 items: 40 items are oversized, 20 are undersized, and 100 meet the specifications. Suppose that two items are drawn at random without replacement. Calculate the probability that both items are undersized or both are oversized.2.(25 points) Twenty five athletes hope to win a medal (either gold, silver or bronze) in a competition at the Winter Olympics. All of the 25 athletes have approximately the same ability. a.(10 points)How many different arrangements of medal winners can occur? b.(15 points) If three of the athletes are good friends, what is the probably
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