document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=248207>Question 248207</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ten percent of adults say oatmeal raisin is their favorite cookie. You randomly select 12 adults and ask each to name his or her favorite cookie. Find the probability that the number who say oatmeal raisin is their favorite cookie is<BR>\n" );
document.write( "a.     Exactly four<BR>\n" );
document.write( "b.     At least four<BR>\n" );
document.write( "c.     Less than four </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #180897 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=180897\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ten percent of adults say oatmeal raisin is their favorite cookie. You randomly select 12 adults and ask each to name his or her favorite cookie.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Binomial: n=12 ; p=0.10 ; x varies<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Find the probability that the number who say oatmeal raisin is their favorite cookie is<BR>\n" );
document.write( "a. Exactly four<BR>\n" );
document.write( "P(x=4) = 12C4(0.10)^4(0.90)^8 = 0.0213<BR>\n" );
document.write( "------<BR>\n" );
document.write( "b. At least four<BR>\n" );
document.write( "P(4 <= x <= 12) = 1 - binomcdf(12,0.1,3) = 0.0256<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "c. Less than four<BR>\n" );
document.write( "P(0 <= x <= 3) = 0.9744<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );