Mathematics 1225A/B Study Guide - Scantron Corporation, Saab 29 Tunnan, Watercolor Painting
22 May 2014
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Note: your answers to the problems in part a must be. If u = {1, 2, 3, 4, 5, 6, 7}, a = {1, 3, 4} and b = {3, 5, 6}, nd ac b. Given that n(a b c) = 20, n(a b) = 10, n(ac b) = 15 and n(ac b c) = 40, nd n(ac b). Three teams, named a, b and c, are going to play a tournament as follows: a and b will play the rst game. The loser of any game does not play the next game. The tournament ends when any team has won twice. A newspaper reporter wants an indication of how the 15 members of the local school board feel about a certain proposal. The reporter decides to interview a group of 6 board members. Six di erent red books and seven di erent blue books must be placed in a row on a shelf.
