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A coin will be flipped three times. The result of each flip is either heads (H) or tails (T). The outcome HTH represents the first result is heads, the

second result is tails, and the third result is heads. The list of all possible outcomes is shown. Each outcome is equally likely.
HHH, HHT, HTH, HTT, THH, THT, TTH, TTT
If the result of the first flip is tails, what is the probability that the coin lands on heads two times?

2 Answers

5 votes
The answer is 4/7
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User Dan Siegel
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6 votes

Answer: A. 1/4

Explanation:

1/2 x 1/2= 1/4

since tails is the first one that landed, the probability for the other two to be heads is 1/4

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User Javier Del Saz
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