document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1083140>Question 1083140</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the probability of getting 2 answers correct on an 8 question 5 choice multiple choice exam.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #697148 by </B><A HREF=/tutors/aboutme.mpl?userid=natolino_2017><B>natolino_2017(77)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=natolino_2017><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=697148\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> every answer is independt from the other.\r<BR>\n" );
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document.write( "First let's find the probability of getting one question right\r<BR>\n" );
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document.write( "P(answer one right) = 1/5.\r<BR>\n" );
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document.write( "So P(answer one wrong ) = 1 - 1/5 = 4/5\r<BR>\n" );
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document.write( "(P answer two right and six wrong) = 8C2 *(1/5)^2 (4/5)^6 = 114,688/390,625=\r<BR>\n" );
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document.write( "= 29.360%\r<BR>\n" );
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document.write( "@natolino_ </SPAN>\n" );
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