SOA Exam P Sample Question 343
Study guide: Exam P-1
Let X represent the number of defective parts in a shipment of five parts.
P[X \geq x] = \frac{1}{2}\left(1-\sqrt{\frac{x-1}{5}}\right), \quad x = 1, 2, 3, 4, 5
Calculate E(X).
- A) 0.9
- B) 1.1
- C) 2.1
- D) 2.3
- E) 3.9
Answer this question and see the worked solution