document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=376507>Question 376507</A>: <I><SPAN STYLE=\"word-break: break-all;\"> * A lot of 75 washers contains five in which the variability in thickness around the circumference of the washer is unacceptable. A sample of 10 washers is selected at random, without replacement.\r<BR>\n" );
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document.write( "i) What is the probability that at least one unacceptable washer is in the sample?\r<BR>\n" );
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document.write( "ii) What is the probability that at most one unacceptable washer is in the sample?\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #267850 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=267850\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a hypergeometric distrribution.<BR>\n" );
document.write( "i)<BR>\n" );
document.write( "1-(70C10/75C10)<BR>\n" );
document.write( "=1-.4786<BR>\n" );
document.write( "=0.5214<BR>\n" );
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document.write( "ii)<BR>\n" );
document.write( "(70C10 + (70C9 * 5C1))/75C10<BR>\n" );
document.write( "=.8708<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
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