document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=228883>Question 228883</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" );
document.write( " <BR>\n" );
document.write( " <BR>\n" );
document.write( "(A)  \r<BR>\n" );
document.write( "\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( " 0.3<BR>\n" );
document.write( " 1/5<BR>\n" );
document.write( " 1/5<BR>\n" );
document.write( " 3/10<BR>\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( " <BR>\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( "(B)  \r<BR>\n" );
document.write( "\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( " 3/5<BR>\n" );
document.write( " 3/10<BR>\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( " <BR>\n" );
document.write( " <BR>\n" );
document.write( " <BR>\n" );
document.write( "(C)  <BR>\n" );
document.write( "  \r<BR>\n" );
document.write( "\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( " 0.1<BR>\n" );
document.write( " 0.1<BR>\n" );
document.write( " 0.5<BR>\n" );
document.write( " 0.3<BR>\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( "  (Points: 6) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #169827 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=169827\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If the sum numbers under each P(x) is 1.0 then it is a probability distribution.<BR>\n" );
document.write( "the sum of a and c are 1.0 so they are probability distributions.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );