document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=480952>Question 480952</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A manufacturer of window frames knows from long experience that 5 percent of the production will have some type of minor defect that will require and adjustment.  What is the probability that in a sample of 20 window frames:<BR>\n" );
document.write( " a.  None will need adjustment?<BR>\n" );
document.write( " b.  At least one will need adjustment?<BR>\n" );
document.write( " c.  More than two will need adjustment?\r<BR>\n" );
document.write( "\n" );
document.write( "I know this is binomial but I am still having trouble solving the problem.  Could some please help me and Thank you very much. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #329354 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=329354\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A manufacturer of window frames knows from long experience that 5 percent of the production will have some type of minor defect that will require and adjustment. What is the probability that in a sample of 20 window frames:<BR>\n" );
document.write( "a. None will need adjustment?<BR>\n" );
document.write( "P(x = 0) = 20C0(0.05)^0*0.95^20 = 0.95^20 = 0.3585<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "b. At least one will need adjustment?<BR>\n" );
document.write( "P(1<= x <=20) = 1 - P(x = 0) = 1-3585 = 0.6415<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "c. More than two will need adjustment?<BR>\n" );
document.write( "P(3<= x <=20) = 1 - P(0<=x <=2) = 0.0755<BR>\n" );
document.write( "=========<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "========= <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );