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didieravoaka
- Master | Next Rank: 500 Posts
- Posts: 163
- Joined: Tue Jan 13, 2015 11:44 am
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Hi didieravoaka,
This prompt is actually a remarkably straight-forward probability question, since it asks you for an EXACT series of results based on coin flips:
HHHTT
Since there's a 1/2 chance of flipping heads and a 1/2 chance of flipping tails, the probability of flipping that exact sequence of events is:
(1/2)(1/2)(1/2)(1/2)(1/2) = 1/32
Final Answer: E
GMAT assassins aren't born, they're made,
Rich
