document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1126820>Question 1126820</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes. If 8 adult smartphones users are randomly selected, find the probability that exactly 2 of them use their smartphones in meetings or classes  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #743147 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=743147\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It is 8C2*0.54^2*0.46^6=0.0774\r<BR>\n" );
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document.write( "8C2 is the number of ways exactly two things can be chosen from 8<BR>\n" );
document.write( "It is 8!/2!*6!, or 8*7/2=28\r<BR>\n" );
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document.write( "binomial is the number of ways (n) wanted *probability raised to n * (1-probability) raised to total-n) </SPAN>\n" );
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