document.write( "Question 421764: 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 | 0.0000
\n" ); document.write( "1 | 0.0001
\n" ); document.write( "2 | 0.0006
\n" ); document.write( "3 | 0.0387
\n" ); document.write( "4 | 0.9606
\n" ); document.write( "

Algebra.Com's Answer #294462 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 | 0.0000
\n" ); document.write( "1 | 0.0001
\n" ); document.write( "2 | 0.0006
\n" ); document.write( "3 | 0.0387
\n" ); document.write( "4 | 0.9606
\n" ); document.write( "----
\n" ); document.write( "Using a TI-84 calculator:
\n" ); document.write( "Put x values in L1
\n" ); document.write( "Put p(x) values in L2
\n" ); document.write( "---
\n" ); document.write( "Run CALC L1,L2 to get:
\n" ); document.write( "mean = 3.9598
\n" ); document.write( "std = 0.200958
\n" ); document.write( "==================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "============
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