4
Answer: BSet 4: Probability (Intermediate)
Explanation
PROBLEM
Historically, 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?
A.
3/13
B.✓ Correct
1/13
C.
1/2
D.
1/4
Detailed Explanation
[Variation 6] Choice B is the best answer. 4 aces in 52 cards. P = 4/52 = 1/13
Why others are wrong:
A: 3/13 is incorrect because it does not satisfy the equation.
C: 1/2 is incorrect because it does not satisfy the equation.
D: 1/4 is incorrect because it does not satisfy the equation.