During the summer season, the average number of lightning strikes per week in the Royal Canyon area is 3.6.Assume that all the Poisson conditions are met.Let x represent values for the random variable "number of lightning strikes in a week." What is the variance of x?
A)4.9
B)5.2
C)2.7
D)3.0
E)3.6

Question

Quizplus · Accepted Answer

For a Poisson distribution, the variance is equal to the mean. Since the average number of lightning strikes per week is 3.6, both the mean and the variance are 3.6.

During the Summer Season, the Average Number of Lightning Strikes