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Unformatted text preview: phosphates, 15 were polluted by both sulphates and crude oil, 12 were polluted by both phosphates and crude oil, and 8 were polluted by all three. a) Draw a Venn diagram with this information. 4 points b) How many rivers were polluted by 1 point each i) at least two of these impurities? ii) exactly one of these impurities? iii) none of these impurities? 4) The Sox and the Yanks are to play a bestofthree series. a) Draw a tree diagram showing all the possible series. 4 points b) List all the possible series. 2 points c) The number of possible 2game series is: . 2 points The number of possible 3game series is: ....
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This note was uploaded on 01/12/2010 for the course MATH 1101 taught by Professor A.sucio during the Fall '06 term at San Jose State University .
 Fall '06
 A.sucio

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