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    Exam 2: Probability Concepts and Applications
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    A Discrete Random Variable Has a Mean of 400 and a Variance
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A Discrete Random Variable Has a Mean of 400 and a Variance

Question 81

Question 81

Multiple Choice

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


A) 64
B) 8
C) 20
D) 400

Correct Answer:

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