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# If out of 100 tosses of a coin, 56 were heads, find the

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Intern
Joined: 29 Aug 2003
Posts: 29
Location: Mumbai
Followers: 0

Kudos [?]: 0 [0], given: 0

If out of 100 tosses of a coin, 56 were heads, find the [#permalink]  10 Dec 2003, 05:27
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If out of 100 tosses of a coin, 56 were heads, find the probability that a tail appears in the next toss of the coin.
Director
Joined: 13 Nov 2003
Posts: 790
Location: BULGARIA
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Kudos [?]: 30 [0], given: 0

Normally coins are expected to be fair or the prob in every trial is equal for H and T, but here think should be 44/100...
Director
Joined: 28 Oct 2003
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Location: 55405
Followers: 1

Kudos [?]: 11 [0], given: 0

If you see this on the GMAT, the answer will be 1/2.
SVP
Joined: 03 Feb 2003
Posts: 1607
Followers: 6

Kudos [?]: 84 [0], given: 0

vote for 1/2
events are independent, no way do the previous tosses affect the next ones.
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