document.write( "Question 455626: Is the following a vaild probability distribution?\r
\n" ); document.write( "\n" ); document.write( "x P(X=x)
\n" ); document.write( "-5 0.1
\n" ); document.write( "0 0.4
\n" ); document.write( "1 0.3
\n" ); document.write( "2 0.2
\n" ); document.write( "

Algebra.Com's Answer #312846 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
Yes it is a valid probability distribution. (The sum of all the probabilities is 1.) \n" ); document.write( "
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