document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1001092>Question 1001092</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Assume that random guesses are made on a 5 multiple choice ACT test, so there is n=5 trials, with the probability of correct given by p=0.20 use binomial probability <BR>\n" );
document.write( "Find the probability that the number of x correct is ATLEAST 3. \r<BR>\n" );
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document.write( "Please help im very confused as to how to solve this problem when they are asking for atleast 3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #618359 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=618359\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Assume that random guesses are made on a 5 multiple choice ACT test, so there is n=5 trials, with the probability of correct given by p=0.20 use binomial probability <BR>\n" );
document.write( "Find the probability that the number of x correct is ATLEAST 3. <BR>\n" );
document.write( "Please help im very confused as to how to solve this problem when they are asking for atleast 3 <BR>\n" );
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document.write( "Binomial Problem with n = 5 and P(correct) = 0.2<BR>\n" );
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document.write( "P(3<= x <=5) = 1 - P(0<= x <=2) <BR>\n" );
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document.write( "= 1 - [P(x=0)+P(x=1)+P(x=2)]<BR>\n" );
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document.write( "= 1 - binomcdf(5,0.2,2)<BR>\n" );
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document.write( "= 0.05792<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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