SOA Exam P Sample Question 347
Study guide: Exam P-1
Let X = 1 if termites are present in a building and X = 0 if they are not.
Let Y = 1 if a test indicates the presence of termites in that building and Y = 0 if it does not.
The joint probabilities of X and Y are:
P[X=0, Y=0] = 0.90P[X=1, Y=0] = 0.01P[X=0, Y=1] = 0.05P[X=1, Y=1] = 0.04
Calculate the coefficient of variation for Y.
- A) 0.31
- B) 0.91
- C) 0.95
- D) 3.18
- E) 4.36
Answer this question and see the worked solution