document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=622122>Question 622122</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine whether each of the distributions given below represents a probability distribution.    Justify your answer. <BR>\n" );
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document.write( "(A) <BR>\n" );
document.write( "  x<BR>\n" );
document.write( " 1<BR>\n" );
document.write( " 2<BR>\n" );
document.write( " 3<BR>\n" );
document.write( " 4<BR>\n" );
document.write( " <BR>\n" );
document.write( "P(x)<BR>\n" );
document.write( " 1/4<BR>\n" );
document.write( " 1/12<BR>\n" );
document.write( " 1/3<BR>\n" );
document.write( " 1/6<BR>\n" );
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document.write( " <BR>\n" );
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document.write( "(B) <BR>\n" );
document.write( "  x<BR>\n" );
document.write( " 3<BR>\n" );
document.write( " 6<BR>\n" );
document.write( " 8<BR>\n" );
document.write( " <BR>\n" );
document.write( "P(x)<BR>\n" );
document.write( " 0.2<BR>\n" );
document.write( " 2/5<BR>\n" );
document.write( " 0.3<BR>\n" );
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document.write( " (C)  <BR>\n" );
document.write( "  x<BR>\n" );
document.write( " 20<BR>\n" );
document.write( " 30<BR>\n" );
document.write( " 40<BR>\n" );
document.write( " 50<BR>\n" );
document.write( " <BR>\n" );
document.write( "P(x)<BR>\n" );
document.write( " 3/10<BR>\n" );
document.write( " -0.1<BR>\n" );
document.write( " 0.5<BR>\n" );
document.write( " 0.3<BR>\n" );
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document.write( " <BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #391132 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=391132\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "A set of data is a probability distribution if and only if all of the data elements are positive and the sum of all the data elements is 1.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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