(Choose 1 answer)
(See picture)
A. Mean = 0; Standard deviation = 1.5
B. None of the other choices is correct
C. Mean = 0.67; Standard deviation = 1
D. Mean = 0.67; Standard deviation = 0.67
E. Mean = 0; Standard deviation = 1
Suppose that the random variable X has an exponential distribution with 1= 1.5. Find the mean and standard deviation of X.
E 47
