document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=400430>Question 400430</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose there are 35 students in a class and 30 lectures in 1 semester.  If 4 students are randomly picked in a class to answer questions, what is the probability that one student is never called during the semester?\r<BR>\n" );
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document.write( "I would say almost 0% but I don't know where to begin. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #283440 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=283440\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose there are 35 students in a class and 30 lectures in 1 semester. If 4 students are randomly picked in a class to answer questions, what is the probability that one student is never called during the semester? <BR>\n" );
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document.write( "Binomial Problem with n = 4*30 = 120 and p(not called) = 34/35<BR>\n" );
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document.write( "P(x = 0) = (34/35)^120 = 0.031<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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