document.write( "Question 356183: the number of tennis balls ordered by club members of a country club pro shop has the probability distribution. balls are packaged in a can of 3. complete a table and find the mean, variance, and standard deviation for the distribution. round b, c, and d to 2 decimal places as needed.\r
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\n" ); document.write( "6 P(X) 0.18
\n" ); document.write( "9 P(X) 0.36
\n" ); document.write( "12 P (X) 0.36
\n" ); document.write( "15 P (X) 0.06\r
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Algebra.Com's Answer #254336 by Fombitz(32388) $\"\"$ $\"About$

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document.write( " x      P(x)    x*P(x) (x-μ)^2*P(x)    \r\n" );
document.write( "-----------------------------------   \r\n" );
document.write( " 3	0.04	0.12	1.774224\r\n" );
document.write( " 6	0.18	1.08	2.411208\r\n" );
document.write( " 9	0.36	3.24	0.156816\r\n" );
document.write( "12	0.36	4.32	1.971216\r\n" );
document.write( "15	0.06	0.90	1.710936\r\n" );
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\n" ); document.write( " $\"VAR=sum%28%28x-mu%29%5E2%2AP%28x%29%2Ci=1%2C5%29=8.02\"$
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\n" ); document.write( " $\"sigma=sqrt%28VAR%29=2.83\"$
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