document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1050387>Question 1050387</A>: <I><SPAN STYLE=\"word-break: break-all;\"> consider the random variable X to be number of heads obtained on 3 flips of a fair coin.<BR>\n" );
document.write( "Write out the probability mass function and the probability distribution function for X.\r<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 #666025 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=666025\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are eight possible outcomes<BR>\n" );
document.write( "HHH-3<BR>\n" );
document.write( "HHT-2<BR>\n" );
document.write( "HTH-2<BR>\n" );
document.write( "HTT-1<BR>\n" );
document.write( "THH-2<BR>\n" );
document.write( "THT-1<BR>\n" );
document.write( "TTH-1<BR>\n" );
document.write( "TTT-0<BR>\n" );
document.write( "So then,<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=PMF%281%29=3%2F8 ALIGN=MIDDLE  ALT=\"PMF%281%29=3%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=PMF%282%29=3%2F8 ALIGN=MIDDLE  ALT=\"PMF%282%29=3%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=PMF%283%29=1%2F8 ALIGN=MIDDLE  ALT=\"PMF%283%29=1%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The cumulative distribution function is then,<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=CDF%281%29=1%2F8%2B3%2F8=1%2F2 ALIGN=MIDDLE  ALT=\"CDF%281%29=1%2F8%2B3%2F8=1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=CDF%282%29=1%2F2%2B3%2F8=7%2F8 ALIGN=MIDDLE  ALT=\"CDF%282%29=1%2F2%2B3%2F8=7%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=CDF%283%29=1 ALIGN=MIDDLE  ALT=\"CDF%283%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );