document.write( "Question 907910: The probability that a part produced by a certain factory's assembly line will be defective is 0.026. Find the probabilities that in a run of 42 items, the following results ware obtained:\r
\n" ); document.write( "\n" ); document.write( "A. The probabilty that exacly 3 parts will be defective is:\r
\n" ); document.write( "\n" ); document.write( "B. The probabilty that no more than 2 parts will be defective is:\r
\n" ); document.write( "\n" ); document.write( "C. The probability that at least 1 part will be defective is:
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Algebra.Com's Answer #550713 by ewatrrr(24785)\"\" \"About 
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p(def) = .026 , n = 42
\n" ); document.write( "P(x=3) = binompdf(42, .026, 3)
\n" ); document.write( "P(x > 2) = 1 - P(x≤1) = 1 - binomcdf(42, .026, 1)
\n" ); document.write( "P(at least one) = 1 - P(none) = 1 - binompdf(42, .026, 0)
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