document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=359703>Question 359703</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please Help:)\r<BR>\n" );
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document.write( "It is known that 28% of American adults claim to be able to play a musical instrument. If twelve American adults are selected at random, what is the probability that:<BR>\n" );
document.write( "a. none of them plays an instrument?<BR>\n" );
document.write( "b.fewer than five of them play an instrument?<BR>\n" );
document.write( "c.more than five of them play an instrument?<BR>\n" );
document.write( "d.more than half of them do not play an instrument?\r<BR>\n" );
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document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #256701 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=256701\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) <BR>\n" );
document.write( "1-.28=.72 don't play.<BR>\n" );
document.write( ".72^12=.0194<BR>\n" );
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document.write( "b)<BR>\n" );
document.write( "expand (x+y)^12<BR>\n" );
document.write( "x^12+12x^11y+66x^10y^2+220x^9y^3+495x^8y4 |x=.72 y=.28<BR>\n" );
document.write( "=.7746<BR>\n" );
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document.write( "c)<BR>\n" );
document.write( "1-.7746=.2254<BR>\n" );
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document.write( "I'll leave d up to you.<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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