document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=87986>Question 87986</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This is the last problem i need help on...\r<BR>\n" );
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document.write( "A professor gives a test with 100 true-false questions. If 60 or more correct is necessary to pass, what is the probability that a student will pass by random guessing? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #63893 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=63893\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A professor gives a test with 100 true-false questions. If 60 or more correct is necessary to pass, what is the probability that a student will pass by random guessing?<BR>\n" );
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document.write( "It's a binomial problem with n=100, p=0.5, 60<=x<=100.<BR>\n" );
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document.write( "Using a TI-83 calculator you would get:<BR>\n" );
document.write( "1 - binomcdf(100,0.5,59) = 0.028<BR>\n" );
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document.write( "This is the probability the student will get at least 60 correct.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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