document.write( "Question 929498: The probability distribution of a discrete random variable x is defined in the table shown here. What is the value of the standard deviation of x?
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document.write( " x 1, 2, 3, 4, 5, 6
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document.write( "P(x) 0.03, 0.14, 0.31, 0.33, 0.15, 0.04 \r
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document.write( " A 1.25
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document.write( " B 1.12
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document.write( " C 13.85
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document.write( " D 3.72
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document.write( " E 1.96
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