Choose an American adult at random. The probability that you choose a woman is 0.52. The probability that the person you choose has never married is 0.25.

The probability that you choose a woman who has never married is 0.11. The probability that the person you choose is either a woman or has never been married

(or both) is therefore about

(a) 0.77.

(b) 0.66.

(c) 0.44.

(d) 0.38.

(e) 0.13.