SOA Exam P Sample Question 247
Study guide: Exam P-1
Random variables X and Y have joint distribution
X = 0 |
X = 1 |
X = 2 |
|
|---|---|---|---|
Y = 0 |
1/15 | a |
2/15 |
Y = 1 |
a |
b |
a |
Y = 2 |
2/15 | a |
1/15 |
Let a be the value that minimizes the variance of X.
Calculate the variance of Y.
- A) 2/5
- B) 8/15
- C) 16/25
- D) 2/3
- E) 7/10
Answer this question and see the worked solution