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# If a certain coin is flipped, the probability that the coin will land

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Manager
Joined: 06 Feb 2010
Posts: 174
Schools: University of Dhaka - Class of 2010
GMAT 1: Q0 V0
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If a certain coin is flipped, the probability that the coin will land [#permalink]

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20 Oct 2010, 06:41
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Difficulty:

5% (low)

Question Stats:

84% (01:37) correct 16% (01:30) wrong based on 63 sessions

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If a certain coin is flipped, the probability that the coin will land heads is 1/2. If the coin is flipped 5 times, what is the probability that it will land heads up on the first 3 flips and not on the last 2 flips?

A) 3/5
B) 1/2
C) 1/5
D) 1/8
E) 1/32
[Reveal] Spoiler: OA

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Re: If a certain coin is flipped, the probability that the coin will land [#permalink]

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20 Oct 2010, 07:27
(1/2) * (1/2) * (1/2) * (1/2) * (1/2) = 1/32
Re: If a certain coin is flipped, the probability that the coin will land   [#permalink] 20 Oct 2010, 07:27
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# If a certain coin is flipped, the probability that the coin will land

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