document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1052596>Question 1052596</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Twenty percent of full-time students drop out of a university if a random sample of 6 students is taken what is the probability that. A. no more than 2 students will drop out of school?  B. Three students will drop out of school?  C. No students will drop out of school?  D. All students will drop out of school?  E.  what are mean and standard deviation of number of students from sample that will drop out of school?\r<BR>\n" );
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document.write( "Would you use the binompdf function? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #668053 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=668053\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P(DROP OUT) = .20, N = 6<BR>\n" );
document.write( "A. P(x <= 2) = binomcdf(6,.20,2)<BR>\n" );
document.write( "B. P(x = 3) = binompdf(6, .20, 3)<BR>\n" );
document.write( "C. P(x = 0) = 1 - binompdf(6,.20,0)<BR>\n" );
document.write( "D. P(x = 6) = 1 -  binompdf(6,.20,6)<BR>\n" );
document.write( "E.<BR>\n" );
document.write( "mean = np = 6*.20 = 1.2<BR>\n" );
document.write( "s = sqrt(np(1-p) = sqrt(1.2* .8)\r<BR>\n" );
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document.write( "Note: We can use the normal distribution <BR>\n" );
document.write( "as a close approximation to the binomial distribution <BR>\n" );
document.write( "whenever np &#8805; 5 and nq &#8805; 5.<BR>\n" );
document.write( "np = 1.2 < 5<BR>\n" );
document.write( "use the binompdf function\r<BR>\n" );
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document.write( " </SPAN>\n" );
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