document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077434>Question 1077434</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If x={10, 20, 30, 40} and p(10)=0.30, p(20)=0.30, p(30)=0.30 and p(40)=0.30, can distribution of the random variable x be considered a probability distribution?\r<BR>\n" );
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document.write( "yes<BR>\n" );
document.write( "no <BR>\n" );
document.write( "not enough information<BR>\n" );
document.write( "too much information </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #691914 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=691914\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Answer: Choice B) no\r<BR>\n" );
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document.write( "Add up the probability values: 0.30+0.30+0.30+0.30 = 1.20\r<BR>\n" );
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document.write( "The sum is NOT equal to 1, so this is NOT a probability distribution. The sum of all the probabilities must be equal to 1. </SPAN>\n" );
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