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    Exam 6: Discrete Probability Distributions
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    The Expected Value of a Random Variable X Is 115
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The Expected Value of a Random Variable X Is 115

Question 11

Question 11

Multiple Choice

The expected value of a random variable X is 115 and the standard deviation is 21.The standard deviation of the random variable Y = 3X − 10 is


A) 63
B) 6.48
C) 53
D) 41

Correct Answer:

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