document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=354050>Question 354050</A>: <I><SPAN STYLE=\"word-break: break-all;\"> X= 7, 8, 9, 10, 11, 12, 13 and the corresponding p(X)= 0.05, 0.08, 0.10, 0.14, 0.28, 0.21, 0.14\r<BR>\n" );
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document.write( "The random variable X is the size of a popular shoe purchased. \r<BR>\n" );
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document.write( "Suppose 3 randomly selected customers each purchase a pair of these sneakers. What is the probability that exactly two of three buy size 11 sneakers? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #253117 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=253117\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> X   = 7, 8, 9, 10, 11, 12, 13 and the corresponding <BR>\n" );
document.write( "p(X)= 0.05, 0.08, 0.10, 0.14, 0.28, 0.21, 0.14 <BR>\n" );
document.write( "The random variable X is the size of a popular shoe purchased. <BR>\n" );
document.write( "Suppose 3 randomly selected customers each purchase a pair of these sneakers. What is the probability that exactly two of three buy size 11 sneakers?<BR>\n" );
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document.write( "Binomial Problem with n = 3 and p = 0.28<BR>\n" );
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document.write( "P(x = 2) = 3C2*(0.28)^2*(0.72) = binompdf(3,0.28,2) = 0.1693<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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