document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=478412>Question 478412</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine whether each of the distributions given below represents a probability distribution.    Justify your answer. \r<BR>\n" );
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document.write( "(A)  <BR>\n" );
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document.write( "x	1	2	3	4<BR>\n" );
document.write( "P(x)	1/4	5/12	1/3	1/6\r<BR>\n" );
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document.write( "(B) <BR>\n" );
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document.write( "x	3	6	8<BR>\n" );
document.write( "P(x)	0.1	3/5	0.3\r<BR>\n" );
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document.write( " (C) <BR>\n" );
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document.write( "x	20	30	40	50<BR>\n" );
document.write( "P(x)	0.2	-0.2	0.7	0.3\r<BR>\n" );
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document.write( "Thank you<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 #327785 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=327785\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Determine whether each of the distributions given below represents a probability distribution. Justify your answer. <BR>\n" );
document.write( "(A) \r<BR>\n" );
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document.write( "x 1 2 3 4<BR>\n" );
document.write( "P(x) 1/4 5/12 1/3 1/6 <BR>\n" );
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document.write( "No: P(x)'s add to more than 1.<BR>\n" );
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document.write( "(B) \r<BR>\n" );
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document.write( "x 3 6 8<BR>\n" );
document.write( "P(x) 0.1 3/5 0.3<BR>\n" );
document.write( "Yes<BR>\n" );
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document.write( "(C) \r<BR>\n" );
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document.write( "x 20 30 40 50<BR>\n" );
document.write( "P(x) 0.2 -0.2 0.7 0.3<BR>\n" );
document.write( "No: P(x) cannot be negative\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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