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# A woman will win \$3.2 if in 5 tosses of a coin she gets

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Manager
Joined: 27 Jul 2003
Posts: 122

Kudos [?]: 58 [0], given: 0

Location: Singapore
A woman will win \$3.2 if in 5 tosses of a coin she gets [#permalink]

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09 Oct 2003, 21:34
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

A woman will win \$3.2 if in 5 tosses of a coin she gets either of the sequences HTHTH or THTHT (H=head, T=tail). Determine her expectation.

Kudos [?]: 58 [0], given: 0

CEO
Joined: 15 Aug 2003
Posts: 3454

Kudos [?]: 919 [0], given: 781

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10 Oct 2003, 00:39
araspai wrote:
A woman will win \$3.2 if in 5 tosses of a coin she gets either of the sequences HTHTH or THTHT (H=head, T=tail). Determine her expectation.

Out of scope of GMAT

Expectation = Mean

Kudos [?]: 919 [0], given: 781

SVP
Joined: 03 Feb 2003
Posts: 1603

Kudos [?]: 303 [0], given: 0

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13 Oct 2003, 23:48
Could it be (1/2^5+1/2^5)*320cents=20cents?

Kudos [?]: 303 [0], given: 0

13 Oct 2003, 23:48
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