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 April 3rd, 2013, 06:05 AM #1 Member   Joined: Sep 2011 Posts: 99 Thanks: 1 SET Notation Help Help is needed for below set question, hope that detailed explanation can be explained. Your help will be greatly appreciated. Universal set E = { students in a class} A = {students who wear spectacles} B = {Students who wear sports shoes} Given that n(E)= 55, n(A)= 32, n(B) =38, obtain i). the greatest possible number of students who either wear spectacles nor sport shoes. ii). the least possible number of students who wear spectacles and sports shoes.
 April 3rd, 2013, 08:08 AM #2 Member   Joined: Mar 2013 Posts: 90 Thanks: 0 Re: Set notation Use the following relations: $\max\{n(A),n(B)\}\leq n(A\cup B)\leq\min\{n(E),n(A)+n(B)\}$ $\max\{0,n(A)+n(B)-n(E)\}\leq n(A\cap B)\leq\min\{n(A),n(B)\}$

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