8 consecutive coin flips = 28 possible outcomes?

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fleshins: Junior | Next Rank: 30 Posts; Posts: 15; Joined: Thu May 01, 2008 9:57 pm; Thanked: 2 times

by fleshins » Sat Nov 15, 2008 3:49 pm

On page 117 of OG11 (thick orange book) the text reads: "If an experiment consists of 8 consecutive coin flipls, then the experiment has 28 possible outcomes, where each of those outcomes is a list of heads and tails in some order."

Could someone explain how to get to the answer?

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Source: Beat The GMAT — Problem Solving | Sat Nov 15, 2008 3:49 pm

fleshins: Junior | Next Rank: 30 Posts; Posts: 15; Joined: Thu May 01, 2008 9:57 pm; Thanked: 2 times

by fleshins » Sat Nov 15, 2008 3:50 pm

should have done a search for this first before posting

https://www.beatthegmat.com/og-pg-117-or ... html#91313

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