document.write( "Question 839297: In a shipment of 50 calculators, 5 are known to be defective. If 6 calculators are picked at random, what is the probability that 2 are defective? \n" ); document.write( "

Algebra.Com's Answer #505659 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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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(defective)= .1 & q = .9
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document.write( "nCx = 
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document.write( "If 6 calculators are picked at random, what is the probability that 2 are defective
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document.write( " P = 6C2 (.1)^2(.9)^4 = .0984
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