document.write( "Question 404974: . If 10% of all disk drives produced on an assembly line are defective, what is the probability there will be exactly one defect in a random sample of 5 of these? What is the probability that there will be no defects in a random sample of 5? \n" ); document.write( "

Algebra.Com's Answer #286160 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= .10 & q = .90
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document.write( "nCx = 
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document.write( "P(exactly one defect in a random sample of 5 ) = 5(.10)^1(.90)^4 = .3281
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document.write( "P(no defects in a random sample of 5)= 1(.90)^5 = .5905 \n" );
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