document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=350137>Question 350137</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a test consist of 10 true and false questions. To pass the test a student must answer at least eight questions correctly. If a student guess on each question, what is the probability that the student will pass the test? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #250283 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=250283\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi<BR>\n" );
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document.write( "Note: The probability of x successes in n trials is: <BR>\n" );
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document.write( "P = C[10,8]* <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=p%5Ex ALIGN=MIDDLE  ALT=\"p%5Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" >*<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=q%5E%28n-x%29 ALIGN=MIDDLE  ALT=\"q%5E%28n-x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > where p and q are the probabilities of success and failure respectively. In this case both p & q are = 1/2 or .5<BR>\n" );
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document.write( "C[10,8] = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10%21%2F%288%21%2810-8%29%29%21=+10%21%2F%288%21%2A2%29%21=%2810%2A9%29%2F2+=45 ALIGN=MIDDLE  ALT=\"+10%21%2F%288%21%2810-8%29%29%21=+10%21%2F%288%21%2A2%29%21=%2810%2A9%29%2F2+=45\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "P = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45%2A.5%5E8%2A.5%5E2+=+45%2A.0039%2A.25 ALIGN=MIDDLE  ALT=\"45%2A.5%5E8%2A.5%5E2+=+45%2A.0039%2A.25\"   DISABLED_style= \"max-width:90%; height:auto;\" > = .0439<BR>\n" );
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document.write( "4.39% chance of getting 8 of the true and false questions correct </SPAN>\n" );
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