document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1199365>Question 1199365</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello! Good morning!\r<BR>\n" );
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document.write( "I'm doing some binomial distribution problems and I got stuck in this one, I managed to solve a, b and c but I don't know how to solve d.\r<BR>\n" );
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document.write( "66% of all students at a college still need to take another math class. If 34 students are randomly selected, find the probability that\r<BR>\n" );
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document.write( "a. Exactly 20 of them need to take another math class. <BR>\n" );
document.write( "0.09445\r<BR>\n" );
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document.write( "b. At most 21 of them need to take another math class. <BR>\n" );
document.write( "0.36062\r<BR>\n" );
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document.write( "c. At least 22 of them need to take another math class. <BR>\n" );
document.write( "0.63938\r<BR>\n" );
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document.write( "d. Between 22 and 28 (including 22 and 28) of them need to take another math class.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #833220 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=833220\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> not sure how you did it, but these are the results i got using excel to perform the calculations.\r<BR>\n" );
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document.write( "the probability of between 22 and 28 is simply the sum of p(22) through p(28).<BR>\n" );
document.write( "you should get 0.628878118 as shown in the excel file.\r<BR>\n" );
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document.write( "your other proabilities are good.<BR>\n" );
document.write( "let me know if this works for you.<BR>\n" );
document.write( "theo </SPAN>\n" );
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