SOLUTION: A discrete random variable has a mean of 400 and a variance of 64. What is the standard deviation?

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Question 614808: A discrete random variable has a mean of 400 and a variance of 64. What is the standard deviation?
Answer by stanbon(75887) About Me  (Show Source):
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A discrete random variable has a mean of 400 and a variance of 64. What is the standard deviation?
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std = sqrt(variance) = sqrt(64) = 8
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Cheers,
Stan H.
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