A coin is so weighted that P (T) = 2P(H) then P(H) is _______________?
Correct answer: D. 1/3
- A. 1/2
- B. 1
- C. 2/3
- D. 1/3
Explanation
Since the two possible outcomes exhaust the probability, P(H)+P(T)=1. Substituting P(T)=2P(H) gives 3P(H)=1, so P(H)=1/3.
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