Engineering Board Exam Reviewer · Odds and Mathematical Expectation · medium
The odds against an event are 4 to 7. Find the probability that the event occurs.
- 7/11
- 4/11
- 4/7
- 7/4
Answer
A. 7/11
Solution
Odds against 4:7 means P( not occur)P( occur)=4/7, so P( occur)=7/11.
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