SOA Exam P Sample Question 92
Study guide: Exam P-1
A mattress store sells only king, queen and twin-size mattresses. Sales records at the store indicate that the number of queen-size mattresses sold is one-fourth the number of king and twin-size mattresses combined. Records also indicate that three times as many king-size mattresses are sold as twin-size mattresses.
Calculate the probability that the next mattress sold is either king or queen-size.
- A) 0.12
- B) 0.15
- C) 0.80
- D) 0.85
- E) 0.95
Answer this question and see the worked solution