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OpenStudy (anonymous):
The following table shows the probability of rolling the numbers 1 through 8 on a fair 8-sided die. What is the standard deviation of the random variable X, "the number that comes up on the die"?
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OpenStudy (anonymous):
X 1 2 3 4 5 6 7 8 P(X) 1/8 1/8 1/8 1/8 1/8 1/8 1/8 1/8
OpenStudy (anonymous):
A. 14.028 B. 1.708 C. 2.291 D. 3.745 E. 3.5
OpenStudy (anonymous):
C. 2.291 (:
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