document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=417737>Question 417737</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the question is from the book fundamentals of quality control and improvement by amitava mitra chapter 4 ,<BR>\n" );
document.write( " the settling of unwanted material in mold is causing some defects in the output , based on the recent data it is found that 5% of the out put has one or more defects . in spot checking some parts , inspector randomly selects two parts find the probabilities that <BR>\n" );
document.write( "a.  the first part is defect free<BR>\n" );
document.write( "b.  the second part is defect free<BR>\n" );
document.write( "c.  both parts are defect free<BR>\n" );
document.write( "d.  one of the parts is acceptable <BR>\n" );
document.write( "e.  at least one part is acceptable <BR>\n" );
document.write( "i have read the chapter but could not really get much into this type of problem , any help or idea/advise would be appreciated i was also looking for the manual of the book but could not find  if any body has it plz provide <BR>\n" );
document.write( "regards  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #292428 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=292428\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> based on the recent data it is found that 5% of the out put has one or more defects . in spot checking some parts , inspector randomly selects two parts find the probabilities that<BR>\n" );
document.write( "Sample space: D means defective; N means not defective<BR>\n" );
document.write( "DD,DN,ND,NN <BR>\n" );
document.write( "a. the first part is defect free::0.95*0.05 + 0.95*0.95 = 0.95<BR>\n" );
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document.write( "b. the second part is defect free::same as above: 0.95<BR>\n" );
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document.write( "c. both parts are defect free: 0.95^2 = 0.9025<BR>\n" );
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document.write( "d. one of the parts is acceptable::2(0.05*0.95) = 0.095<BR>\n" );
document.write( "------- <BR>\n" );
document.write( "e. at least one part is acceptable:: 1-(0.05)^2 = 0.9975<BR>\n" );
document.write( "===========================================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );