document.write( "Question 1049526: According to a local survey 80% of Americans own a car. If you randomly select 3 Americans
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document.write( " (a) What is the probability that all of them own a car?
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document.write( " P(All own a car) =
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document.write( "80
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document.write( "(b) What is the probability that none of them own a car?
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document.write( " P(None own a car) =
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document.write( "(b) What is the probability that at least one them owns a car?
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document.write( " P(At least one owns a car) = \n" );
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Algebra.Com's Answer #665098 by ewatrrr(24785) You can put this solution on YOUR website! p(owning a car) = .8, \n" ); document.write( "n = 3 \n" ); document.write( "P(All own a car) = P(x=3) = binompdf(3,.8,3)= .512 0r (.8)^3 \n" ); document.write( "P(None own a car) = P(x = 0) = binompdf(3,.8,0)= .008 0r (.2)^3 \n" ); document.write( "P(At least one owns a car) = 1 - P(x = 0)= 1-.008 = .992 \n" ); document.write( " |