SOA Exam P Sample Question 159
Study guide: Exam P-1
The number of traffic accidents per week at intersection Q has a Poisson distribution with mean 3. The number of traffic accidents per week at intersection R has a Poisson distribution with mean 1.5.
Let A be the probability that the number of accidents at intersection Q exceeds its mean. Let B be the corresponding probability for intersection R.
Calculate B - A.
- A) 0.00
- B) 0.09
- C) 0.13
- D) 0.19
- E) 0.31
Answer this question and see the worked solution