SOA Exam P Sample Question 246
Study guide: Exam P-1
Let X be the annual number of hurricanes hitting Florida, and let Y be the annual number of hurricanes hitting Texas. X and Y are independent Poisson variables with respective means 1.70 and 2.30.
Calculate \text{Var}(X-Y\mid X+Y=3).
- A) 1.71
- B) 1.77
- C) 2.93
- D) 3.14
- E) 4.00
Answer this question and see the worked solution