document.write( "Question 1008335: A survey of MAT 101 and 102 students showed 94 owned laptops, 19 owned a laptop and a calculator and 9 owned only a calculator. With the entire number of students surveyed being 185, find the probabilities that a randomly selected MAT 101/102 student:
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document.write( "a)Does not own a laptop or a calculator.
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document.write( "b)Does not own a laptop.
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document.write( "c)Owns a laptop or a calculator, but not both. \n" );
document.write( "
Algebra.Com's Answer #624080 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A survey of MAT 101 and 102 students showed 94 owned laptops, 19 owned a laptop and a calculator and 9 owned only a calculator. With the entire number of students surveyed being 185, find the probabilities that a randomly selected MAT 101/102 student: \n" ); document.write( "==== \n" ); document.write( "Sketch a Venn Diagram with 2 intersecting circles inside a rectangle. \n" ); document.write( "label one circle \"laptop\" with 94 \n" ); document.write( "write 19 in the intersection \n" ); document.write( "label the interior of the other circle \"9\" and total in that circle = 9+19 = 28 \n" ); document.write( "label the rectangle with \"185\" \n" ); document.write( "------- \n" ); document.write( "a)Does not own a laptop or a calculator. \n" ); document.write( "Ans:: (185-(94+9))/185 = 82/185 \n" ); document.write( "------------------------- \n" ); document.write( "b)Does not own a laptop. \n" ); document.write( "Ans:: (185-(9+82))/185 = 94/185 \n" ); document.write( "------------------------- \n" ); document.write( "c)Owns a laptop or a calculator, but not both. \n" ); document.write( "Ans: (75+9)/185 = 84/185 \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |