document.write( "Question 1196879: 7. Ten percent of the tools produced in a certain manufacturing process turn out to be defective. Find the probability that in a sample of ten tools chosen at random exactly two will be defective by using:\r
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Algebra.Com's Answer #829906 by ewatrrr(24785)\"\" \"About 
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document.write( "Ten percent of the tools produced in a certain manufacturing process turn out to be defective:  p = .10 , n = 10\r\n" );
document.write( "a) P(exactly two 0f the ten will be defective) =  binompdf(n, p, x-value)\r\n" );
document.write( "binompdf(10, .10, 2) = .1937\r\n" );
document.write( "a) P(exactly two of the ten will be defective) = poissonpdf(mean, x-value).\r\n" );
document.write( "  n = 10, p = .10   mean= np = .10 (10) = 1 \r\n" );
document.write( "poissonpdf(1,2) = .1839\r\n" );
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