document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=274526>Question 274526</A>: <I><SPAN STYLE=\"word-break: break-all;\"> in the past no shows were 20% of the people registered in a race. there are 225 registered this year. what is the probability of a. 220 no-shows?<BR>\n" );
document.write( "                                                 B. 50 or less no-shows? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #200394 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=200394\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> in the past no shows were 20% of the people registered in a race. <BR>\n" );
document.write( "there are 225 registered this year. <BR>\n" );
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document.write( "Binomial problem with n = 225 ; p = 0.2<BR>\n" );
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document.write( "what is the probability of <BR>\n" );
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document.write( "a. 220 no-shows?<BR>\n" );
document.write( "P(x = 220) = 225C220(0.2)^220(0.8)^5 = binompdf(225,0.2,220)<BR>\n" );
document.write( "My calculator says the answer is zero to 8 decimal places.<BR>\n" );
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document.write( "B. 50 or less no-shows?<BR>\n" );
document.write( "P(0<= x <=50) = binomcdf(225,0.2,50) = 0.8211<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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