document.write( "Question 473933: Help please!\r
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document.write( "A survey of 100 college faculty shows that 67 own a car, 22 own a bicycle, and 11 own both. Find the probability that a faculty member chosen at random owns a car or a bicycle. (to two decimal places.) \n" );
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Algebra.Com's Answer #325087 by Maths68(1474)![]() ![]() You can put this solution on YOUR website! P(own a car)=P(C)=67/100=0.67 \n" ); document.write( "P(own a bicycle)=P(B)=22/100=0.22 \n" ); document.write( "P(own car & bicycle) = P(C∩B) = 11/100=0.11 \n" ); document.write( "P (own car or bicycle) P(CUB)=? \n" ); document.write( "P(CUB)=P(C)+P(B)- P(C∩B) \n" ); document.write( " =(0.67+0.22)-0.11 \n" ); document.write( " =0.89-0.11 \n" ); document.write( " =0.78 \n" ); document.write( " \n" ); document.write( " |