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# A woman will win $3.2 if in 5 tosses of a coin she gets  post reply Question banks Downloads My Bookmarks Reviews Important topics Author Message Manager Joined: 27 Jul 2003 Posts: 122 Location: Singapore Followers: 1 Kudos [?]: 56 [0], given: 0 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. CEO Joined: 15 Aug 2003 Posts: 3454 Followers: 67 Kudos [?]: 874 [0], given: 781 Re: Probability#11 [#permalink] ### Show Tags 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
SVP
Joined: 03 Feb 2003
Posts: 1604
Followers: 9

Kudos [?]: 268 [0], given: 0

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