2002 AMC 8 Problem 12
Attempt Problem 12 of the 2002 AMC 8 below, then check your answer against the professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 2002 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
12.
A board game spinner is divided into three regions labeled and The probability of the arrow stopping on region is and on region is The probability of the arrow stopping on region is
Answer: B
Small hint:
The probabilities of and add to
Big hint:
Subtract the probabilities for and from
Solution:
The total probability is We need to subtract the probability of the spinner landing on and to get which is
Thus, B is the correct answer.
Problem 12 in other years
- 1985 AMC 8
- 1986 AMC 8
- 1987 AMC 8
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- 1989 AMC 8
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