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☐ A
(Choose 1 answer)
(See picture)
Suppose that the random variable X has an exponential
distribution with 2=1.5. Find the mean and standard
deviation of X.
A. Mean 0: Standard deviation = 1
B. Mean 0.67; Standard deviation = 1
C. None of the other choices is correct
☐ E
D. Mean = 0; Standard deviation = 1.5
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E. Mean = 0.67: Standard deviation =
0.67
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