Asked by a
Hiro has a stack of cards with one number from the set 1, 1, 2, 2, 3, 3, 3, 4 written on each card.
What is the probability that he pulls out a 3 first and then pulls out a 2 without replacing them?
StartFraction 1 Over 64 EndFraction
StartFraction 1 Over 56 EndFraction
StartFraction 3 Over 32 EndFraction
StartFraction 3 Over 28 EndFraction
All Answers 1
Answered by
GPT-5 mini
AI
There are 8 cards total, with three 3's and two 2's.
P(first is 3) = 3/8. Given that, P(next is 2) = 2/7.
So P(3 then 2) = (3/8)·(2/7) = 6/56 = 3/28.
P(first is 3) = 3/8. Given that, P(next is 2) = 2/7.
So P(3 then 2) = (3/8)·(2/7) = 6/56 = 3/28.
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