document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=375949>Question 375949</A>: <I><SPAN STYLE=\"word-break: break-all;\"> copykwik has 4 photocopy machines: A,B,C,D the probability that a given machine will break down on a particular day is\r<BR>\n" );
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document.write( "P(A)= 1/50 P(B)= 1/60 P(C)= 1/75 P(D)= 1/40<BR>\n" );
document.write( "assuming independence what is the probability on a particular day  that \r<BR>\n" );
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document.write( "a) all four machines will break down<BR>\n" );
document.write( "b) none of the machines will break down </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #267365 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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/cgi-bin/show-face.mpl?user=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=267365\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F50%29%2A%281%2F60%29%2A%281%2F75%29%2A%281%2F40%29+=+1%2F9000000 ALIGN=MIDDLE  ALT=\"%281%2F50%29%2A%281%2F60%29%2A%281%2F75%29%2A%281%2F40%29+=+1%2F9000000\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "b) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2849%2F50%29%2A%2859%2F60%29%2A%2874%2F75%29%2A%2839%2F40%29+=+8343426%2F9000000 ALIGN=MIDDLE  ALT=\"%2849%2F50%29%2A%2859%2F60%29%2A%2874%2F75%29%2A%2839%2F40%29+=+8343426%2F9000000\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "  </SPAN>\n" );
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