In a Poisson distribution, the:
a. mean equals the standard deviation.
b. median equals the standard deviation.
c. mean equals the variance.
d. None of these choices.
Question 2
Given a Poisson random variable X, where the average number of successes occurring in a specified interval is 1.8, then P(X = 0) is:
a. 1.8
b. 1.3416
c. 0.1653
d. 6.05