document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1099939>Question 1099939</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A test consists of 6 multiple choice questions, each having 5 possible answers, one of which is correct. Assume that you guess the answers to all 6. Find the probability of getting less than 2 correct. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #714542 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=714542\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a binomial probability problem with 6 trials and P(success) = 0.2<BR>\n" );
document.write( "P(0) = C(6,0)*0.2^0*0.8^6 = 0.262<BR>\n" );
document.write( "P(1) = C(6,1)*0.2^1*0.8^5 = 0.393<BR>\n" );
document.write( "Therefore the probability of getting less than 2 correct is 0.393 + 0.262 = 0.655 </SPAN>\n" );
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