document.write( "Question 638632: Find the mean and standard deviation of the following probability distribution:
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\n" ); document.write( "\n" ); document.write( "x
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\n" ); document.write( "\n" ); document.write( "1
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\n" ); document.write( "\n" ); document.write( "2
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\n" ); document.write( "\n" ); document.write( "0.3
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\n" ); document.write( "\n" ); document.write( "0.5
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\n" ); document.write( "\n" ); document.write( "0.2 \n" ); document.write( "
Algebra.Com's Answer #402316 by reviewermath(1029)\"\" \"About 
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mean = 1(0.3) + 2(0.5) + 3(0.2) = \"highlight%281.9%29\"
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