A box contains cards numbered 3, 5, 7, 9, …, 35, 37. A card is drawn at random from the box. Find the probability that the number on the drawn card is a prime number.
Total number of possible outcomes, n(S) = 18
Number of favorable outcomes, n(E) = 10

Question

A box contains cards numbered 3, 5, 7, 9, &#x2026;, 35, 37. A card is drawn at random from the box. Find the probability that the number on the drawn card is a prime number.

Philoid · Accepted Answer

Total number of possible outcomes, n(S) = 18

Number of favorable outcomes, n(E) = 10