Multiple choices 4/50
Answer (Choose 1 answer)
(See picture)
A. None of the other choices is correct
B. Mean = 0.67; Standard deviation = 1
C. Mean = 0; Standard deviation = 1
D. Mean = 0; Standard deviation = 1.5
Next
E. Mean = 0.67: Standard deviation = 0.67
Suppose that the random variable X has an exponential distribution with 1= 1.5. Find the mean and standard deviation of X.
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