If a distribution is considered to be Poisson with a mean equal to 11, the most frequently occurring value for the random variable will be:
A) 10.5
B) 11
C) 10 and 11
D) 22

Question

Quizplus · Accepted Answer

For a Poisson distribution, the most frequently occurring value(s) or mode is approximately λ - 1 for non-integer λ, which in this case is 11. Therefore, the modes are 10 and 11.

If a Distribution Is Considered to Be Poisson with a Mean