document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=773189>Question 773189</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 30 students in the class. Each student has a blank card. There all sopped to write a number between 1-5. Do u think its possible that 15/30 students will write the number 1 on there cards. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #471352 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=471352\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 30 students in the class. Each student has blank card. They all stopped to write a number between 1-5. Do u think its possible that 15/30 students will write the number 1 on their cards?<BR>\n" );
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document.write( "Binomial problem with n = 30 and p(write a 1) = 1/5<BR>\n" );
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document.write( "P(x = 15) = 30C15(1/5)^15*(4/5)^15 = binompdf(30,1/5,15) = 0.000179<BR>\n" );
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document.write( "Very little chance that 15 of the 30 wrote the number 1.<BR>\n" );
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