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# When tossed, a certain coin has equal probability of landing

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Manager
Joined: 03 Oct 2008
Posts: 61

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When tossed, a certain coin has equal probability of landing [#permalink]

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05 Oct 2008, 16:53
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 3 times, what is the probability that it will land on the same side each time?

A. 1/8

B. 1/4

C. 1/3

D. 3/8

E. 1/2

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SVP
Joined: 17 Jun 2008
Posts: 1534

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06 Oct 2008, 00:16
B. 1/4

It can land to head or tail on three tosses. Hence, total favorable outcome = 2.
Total possible outcome = 2*2*2 = 8

Probability = 2/8 = 1/4.

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Re: math   [#permalink] 06 Oct 2008, 00:16
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