document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=688175>Question 688175</A>: <I><SPAN STYLE=\"word-break: break-all;\"> According to the most recent University student profile, 28% of students are male. Given a sample of 15 students:\r<BR>\n" );
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document.write( "a. Find the probability that none are male. <BR>\n" );
document.write( "b. Find the probability that 10 are male.<BR>\n" );
document.write( "c. Find the probability that at least six are male.<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 #425536 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=425536\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> According to the most recent University student profile, 28% of students are male. Given a sample of 15 students: <BR>\n" );
document.write( "a. Find the probability that none are male.<BR>\n" );
document.write( "Ans: P(x = 0) = (0.72)^15<BR>\n" );
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document.write( "b. Find the probability that 10 are male.<BR>\n" );
document.write( "Ans: P(x = 10) = 15C10*(0.28)^10*(0.72)^5<BR>\n" );
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document.write( "c. Find the probability that at least six are male.<BR>\n" );
document.write( "P(6<= x <= 15) = 1 - P(0<= x <=5) = 1 - binomcdf(15,0.28,5) = 0.2220<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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