document.write( "Question 403367: The number of cartoons watched by Mrs Kelly's first grade class on Saturday morning is shown below
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\n" ); document.write( "0 0.15
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\n" ); document.write( "4 0.20
\n" ); document.write( "5 0.05
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Algebra.Com's Answer #285256 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Mean = Sum of products between corresponding x and P(x) values\r
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\n" ); document.write( "\n" ); document.write( "Mean = 0*0.15 + 1*0.20 + 3*0.10 + 4*0.20 + 5*0.05\r
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\n" ); document.write( "\n" ); document.write( "Mean = 0 + 0.20 + 0.30 + 0.80 + 0.25\r
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\n" ); document.write( "\n" ); document.write( "Mean = 1.55\r
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\n" ); document.write( "\n" ); document.write( "So the mean is 1.55\r
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\n" ); document.write( "\n" ); document.write( "Remember that the mean is NOT a probability since it corresponds to the average x value.
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