document.write( "Question 507360: Among students 70% own a car, 50% own a bike and 40% own both.\r
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document.write( "(a) Find a probability that a randomly chosen student own a least one of the above vehicles.\r
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document.write( "(b) What is a probability that a randomly chosen student does not own a bike?
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Algebra.Com's Answer #340442 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Among students 70% own a car, 50% own a bike and 40% own both. \r \n" ); document.write( "\n" ); document.write( "(a) Find a probability that a randomly chosen student owns at least one of the above vehicles. \n" ); document.write( "P(car) = 0.7 ; P(bike) = 0.5 ; p(car and bike) = 0.4 \n" ); document.write( "--- \n" ); document.write( "P(car OR bike) = 0.7 + 0.5 - 0.4 = 0.8 \n" ); document.write( "---- \n" ); document.write( " \r \n" ); document.write( "\n" ); document.write( "(b) What is a probability that a randomly chosen student does not own a bike? \n" ); document.write( "P(not bike) = 0.5 \n" ); document.write( "======================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |