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In a town of 10000 families, it was found that 40% families buy newspaper A, 20% families buy newspaper B and 10% families buy
In a town of 10000 families, it was found that 40% families buy newspaper A, 20% families buy newspaper B and 10% families buy newspaper C, 5% families buy newspa- pers A and B, 3% buy newspapers B and C and 4% buy news- papers A and C. If 2% families buy all the three newspapers, then number of families which buy A only is (a) 3100 (b) 3300 (c) 2900 (d) 1400
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Probability And Statistics
Authors: Morris H. DeGroot, Mark J. Schervish
4th Edition
9579701075, 321500466, 978-0176861117, 176861114, 978-0134995472, 978-0321500465
