If the random variable X is exponentially distributed, then which of the following statements best describes the mean of X?
A)The mean of X will be greater than the standard deviation of X.
B)The mean of X will be smaller than the standard deviation of X.
C)The mean of X will equal the standard deviation of X.
D)None of these choices are correct.

Question

Quizplus · Accepted Answer

For an exponentially distributed random variable X, the mean and the standard deviation are equal. This is a characteristic property of the exponential distribution.

If the Random Variable X Is Exponentially Distributed, Then Which