document.write( "Question 455628: What is the mean of the following probability distribution?\r
\n" ); document.write( "\n" ); document.write( "x P(X=x)
\n" ); document.write( "-1 0.1
\n" ); document.write( "0 0.5
\n" ); document.write( "1 0.4
\n" ); document.write( "

Algebra.Com's Answer #312830 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
\"mu+=+E%28X%29+=+-1%2A0.1+%2B+0%2A0.5+%2B+1%2A0.4+=+-0.1+%2B+0.4++=+0.3\" \n" ); document.write( "
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