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Mathematics 19 Online
leila123456:

The tree diagram below shows all of the possible outcomes for flipping three coins. A tree diagram has outcomes (H, H, H), (H, H, T), (H, T, H), (H, T, T), (T, H, H), (T, H, T), (T, T, H), (T, T, T). What is the probability that at least two of the coins will be tails? StartFraction 1 over 8 EndFraction StartFraction 3 over 8 EndFraction One-half Three-fourths

leila123456:

1 attachment
Aqual:

Well, how many outcomes have two Tails(T)?

darkknight:

Do you have your answer?

leila123456:

Yes

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