4 percent of a certain company's life insurance policy holders are smokers. For each nonsmoker the probability of dying during the year is 0.003. For each smoker the probability of dying during the year is 0.03. Find the probability that a policy holder who died last year was a smoker.

Which equation can be simplified to find the inverse of y = 2x2?

Every rhombus is a square. true false

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?