document.write( "Question 655414: The personnel manager of Cumberland Pig Iron Company is studying the number of on-the-job accidents over a period of one monnth. He developed the following probablity distribution. Compute the mean, variance, and standard deviation of the number of accidents in a month.
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\n" ); document.write( "Number of accidents:0,1,2,3,4 respectively
\n" ); document.write( "Probability:.40, .20, .20, .10, .10 respectively
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Algebra.Com's Answer #409093 by stanbon(75887)\"\" \"About 
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The personnel manager of Cumberland Pig Iron Company is studying the number of on-the-job accidents over a period of one monnth. He developed the following probablity distribution. Compute the mean, variance, and standard deviation of the number of accidents in a month. \r
\n" ); document.write( "\n" ); document.write( "Number of accidents:0,1,2,3,4 respectively
\n" ); document.write( "Probability:.40, .20, .20, .10, .10 respectively
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\n" ); document.write( "mean = 1.3
\n" ); document.write( "variance = 1.345^2 = 1.809
\n" ); document.write( "std dev = 1.345
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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