If has a lognormal distribution,what can be said of the distribution of the random variable X?
A)X follows a normal distribution.
B)X follows an exponential distribution.
C)X follows a standard normal distribution.
D)X follows a continuous uniform distribution.

Question

If  has a lognormal distribution,what can be said of the distribution of the random variable X?
A)X follows a normal distribution. 
B)X follows an exponential distribution. 
C)X follows a standard normal distribution. 
D)X follows a continuous uniform distribution.

Quizplus · Accepted Answer

The lognormal distribution is a distribution of a random variable whose logarithm follows a normal distribution. Therefore, the random variable X must follow a normal distribution.

If Has a Lognormal Distribution,what Can Be Said of the Distribution