SOA Exam P Sample Question 475
Study guide: Exam P-1
Let X represent the number of defective parts in a shipment of four.
P[X \geq x] = \frac{1}{4}\left(1 - \frac{x-2}{3}\right)^2, \qquad \text{for } x = 1, 2, 3, 4.Calculate E(X).
- A)
0.83 - B)
0.96 - C)
1.39 - D)
1.81 - E)
1.83
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