SOA Exam P Sample Question 90
Study guide: Exam P-1
A store has 80 modems in its inventory, 30 coming from Source A and the remainder from Source B. Of the modems in inventory from Source A, 20% are defective. Of the modems in inventory from Source B, 8% are defective.
Calculate the probability that exactly two out of a sample of five modems selected without replacement from the store's inventory are defective.
- A) 0.010
- B) 0.078
- C) 0.102
- D) 0.105
- E) 0.125
Answer this question and see the worked solution