THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING:
On average,you receive 2.6 pieces of junk mail a day.Assume that the number of pieces of junk mail you receive each day follows the Poisson distribution.
-What is the expected number of pieces of junk mail you receive daily?
A)6.76
B)1.61
C)3.22
D)2.60

Question

Quizplus · Accepted Answer

The expected number is equal to the mean of the Poisson distribution, which is given as 2.6 in the problem. Therefore, the correct answer is (D).