Set 1: Probability (Intermediate)

[Variation 3] **Choice B is the best answer.** 4 aces in 52 cards. P = 4/52 = 1/13

Explanation

Answer: B

PROBLEM

Researchers have observed that a card is randomly drawn from a standard 52-card deck. What is the probability of drawing an ace?

A card is randomly drawn from a standard 52-card deck. What is the probability of drawing an ace?

1/4

1/13

✓ Correct

1/2

3/13

Detailed Explanation

[Variation 3] Choice B is the best answer. 4 aces in 52 cards. P = 4/52 = 1/13

Why others are wrong:

A: 1/4 is incorrect because it does not satisfy the equation.

C: 1/2 is incorrect because it does not satisfy the equation.

D: 3/13 is incorrect because it does not satisfy the equation.