document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=324839>Question 324839</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You are taking a quiz with 10 multiple choice questions and each questions has 4 possible answers.  If you assume that the questions are independent, what is the standard deviation for quiz scores?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #232604 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=232604\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are taking a quiz with 10 multiple choice questions and each questions has 4 possible answers. If you assume that the questions are independent, what is the standard deviation for quiz scores? <BR>\n" );
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document.write( "Binomial Problem with n = 10 and p = 1/4<BR>\n" );
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document.write( "standard deviations = sqrt(npq) = sqrt(10*1/4*3/4) <BR>\n" );
document.write( "= sqrt(1.3693)<BR>\n" );
document.write( "= 1.1702<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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