document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1102206>Question 1102206</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2.	Based on data from the National Center for Health Statistics, the prevalence of diabetes among seniors (>65 years old) is 30%. You take out a simple random sample 15 senior adults. Let X represent the number of individuals in the sample with diabetes.   \r<BR>\n" );
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document.write( "a.	Describe the distribution X. \r<BR>\n" );
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document.write( "b.	What is the probability of seeing no diabetes case in this sample?\r<BR>\n" );
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document.write( "c.	What is the probability of seeing one diabetes case?\r<BR>\n" );
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document.write( "d.	What is the probability of seeing one or less diabetes case?\r<BR>\n" );
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document.write( "e.	What is the probability of seeing at least two diabetes cases?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #716879 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=716879\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> p(no DM)=0.7<BR>\n" );
document.write( "p(DM)=0.3<BR>\n" );
document.write( "a. b(15, 0.3) for diabetes  nCr p^(n-r)*(1-p)^(r)<BR>\n" );
document.write( "b. This is 0.7^15=0.0047<BR>\n" );
document.write( "c.  This is 15*0.7^14*0.3=0.0305<BR>\n" );
document.write( "d.  One or 0 cases: sum of b and c or 0.0352.<BR>\n" );
document.write( "e. At least 2 is 1-(1 or 0 cases, the complement), and that is 0.9648.<BR>\n" );
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