document.write( "Question 633853: for a group of four men , the probability distribution for the number x who live through the next year is as given in the accompanying table. find out the mean and the standard deviation
\n" ); document.write( "x | p(x)
\n" ); document.write( "0 | 0.05
\n" ); document.write( "1 | 0.15
\n" ); document.write( "2 | 0.45
\n" ); document.write( "3 | 0.25
\n" ); document.write( "4 | 0.10
\n" ); document.write( "
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Algebra.Com's Answer #399239 by stanbon(75887)\"\" \"About 
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for a group of four men , the probability distribution for the number x who live through the next year is as given in the accompanying table. find out the mean and the standard deviation
\n" ); document.write( "x | p(x)
\n" ); document.write( "0 | 0.05
\n" ); document.write( "1 | 0.15
\n" ); document.write( "2 | 0.45
\n" ); document.write( "3 | 0.25
\n" ); document.write( "4 | 0.10
\n" ); document.write( "----
\n" ); document.write( "mean = 2.2
\n" ); document.write( "std = 0.9800
\n" ); document.write( "=================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "==================
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