document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=255115>Question 255115</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me answer this question.\r<BR>\n" );
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document.write( "Half of a set of parts are manufactured by machine A and half by machine B. Four precent of all parts are defective. Six percent of the parts manufactured on machine A are defective. Find the probability that a part was manufactured on machine A, given that the part is defective. </SPAN>\n" );
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document.write( "Half of a set of parts are manufactured by machine A and half by machine B. Four percent of all parts are defective. P(d) = 0.04<BR>\n" );
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document.write( "Six percent of the parts manufactured on machine A are defective.P(d|A)=0.06<BR>\n" );
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document.write( "Find the probability that a part was manufactured on machine A, given that the part is defective.<BR>\n" );
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document.write( "P(A|d) = P(A and d)/P(d) = [P(d|A)*P(A)]/P(d) = [0.06*0.5]/0.04 <BR>\n" );
document.write( "= 0.03/0.04 = 0.75 or 3/4<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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