document.write( "Question 364644: A machine that manufactures automobile parts is estimated to produce defective parts 6% of the time. If this estimate is correct, and 8 parts produced by this machine are randomly selected, what is the probability that at least 2 turn out to be defective? Round your answer to four decimal places. \r
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Algebra.Com's Answer #260023 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 = .06 and q = .94 
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document.write( "nCx = \r
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document.write( "P(at least 2 turn out to be defective)
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document.write( "1 - P(0 def) - P(1 defect)
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document.write( "P(0 def) = .94^8 = .610
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document.write( "P(1 defect) = 8C1*.06^1 .94^7 = 8*.06^1 .94^7 = 8*.06*.648 = .311
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document.write( "1 - .921 = .079 \n" );
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