document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1000341>Question 1000341</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The Census Bureau’s Current Population Survey shows that 28% of individuals, ages 25 and older, have completed four years of college. For a sample of 15 individuals, ages 25 and older, answer the following questions:\r<BR>\n" );
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document.write( "a. What is the probability four will have completed four years of college?\r<BR>\n" );
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document.write( "b. What is the probability three or more will have completed four years of college<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 #617797 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=617797\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The Census Bureau’s Current Population Survey shows that 28% of individuals, ages 25 and older, have completed four years of college. For a sample of 15 individuals, ages 25 and older, answer the following questions:<BR>\n" );
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document.write( "Binomial Problem with n = 15 and p(completed college) = 0.28<BR>\n" );
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document.write( "a. What is the probability four will have completed four years of college?<BR>\n" );
document.write( "P(x = 4) = 15C4*0.28^4*0.72^11 = binompdf(15,0.28,4) = 0.2262<BR>\n" );
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document.write( "b. What is the probability three or more will have completed four years of college?<BR>\n" );
document.write( "P(3<= x <=15) = 1 - P(0<= x <=2) = 1 - binomcdf(15,0.28,2) = 0.8355<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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