document.write( "Question 443534: A manufacturing machine has a 1% defect rate.\r
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Algebra.Com's Answer #306057 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "A manufacturing machine has a 1% defect rate. 
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document.write( "4 items are chosen at random
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document.write( "P(at least one will have a defect)
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document.write( "Note: The probability of x successes in n trials is: 
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document.write( "P = nCx*  where p and q are the probabilities of success and failure respectively. 
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document.write( "In this case p = .01 and q = .99
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document.write( "nCx = 
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document.write( " P(at least one defective) = 1 - P(none defective) = 1 - (.99)^4 =.0394 
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document.write( "P(at least one defective)= .0394 \n" );
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