THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING:
Suppose you know that the number of complaints coming into a phone center averages 4.2 every ten minutes.Assume that the number of calls follows the Poisson distribution.
-It has been estimated that 30% of all farms are family-owned.In a sample of 12 farms,what is the probability that exactly three farms are family owned?

A) 0.20
B) 0.30
C) 0.36
D) 0.24