SOA Exam P Sample Question 124
Study guide: Exam P-1
In a given region, the number of tornadoes in a one-week period is modeled by a Poisson distribution with mean 2. The numbers of tornadoes in different weeks are mutually independent.
Calculate the probability that fewer than four tornadoes occur in a three-week period.
- A) 0.13
- B) 0.15
- C) 0.29
- D) 0.43
- E) 0.86
Answer this question and see the worked solution