document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=280325>Question 280325</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For a student to pass a particular course they must pass at least 8 out of 10 tests. For each test the probability of the student passing is 0.88. Determine the probability that the student: \r<BR>\n" );
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document.write( "a) passes exactly 8 out of 10 tests.\r<BR>\n" );
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document.write( "b) passes the course. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #203737 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=203737\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For a student to pass a particular course they must pass at least 8 out of 10 tests. For each test the probability of the student passing is 0.88. Determine the probability that the student: <BR>\n" );
document.write( "a) passes exactly 8 out of 10 tests.<BR>\n" );
document.write( "Binomial Problem with n = 10, p = 0.88, x = 8<BR>\n" );
document.write( "Ans: P(x=8) = 10C8(0.88)^8(0.12)^2 = binompdf(10,0.88,8) = 0.233<BR>\n" );
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document.write( "b) passes the course: 8<= x <=10<BR>\n" );
document.write( "Ans:: 1-binomcdf(10,0.88,7) <BR>\n" );
document.write( "= 1 - 0.1087<BR>\n" );
document.write( "= 0.8913<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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