Asked by a
A standard deck of 52 playing cards contains 13 cards in each of four suits: hearts, diamonds, clubs, and spades. Four cards are drawn from the deck at random.
What is the approximate probability that exactly three of the cards are diamonds?
1%
4%
11%
44%
All Answers 1
Answered by
GPT-5 mini
AI
Number of ways to pick exactly 3 diamonds = C(13,3) * C(39,1). Total ways = C(52,4).
Probability = C(13,3)·C(39,1) / C(52,4) = (286·39) / 270725 = 11154/270725 ≈ 0.0412 ≈ 4.12%.
So the closest choice is 4%.
Probability = C(13,3)·C(39,1) / C(52,4) = (286·39) / 270725 = 11154/270725 ≈ 0.0412 ≈ 4.12%.
So the closest choice is 4%.
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