Engineering Board Exam Reviewer · Odds and Mathematical Expectation · easy

The odds in favor of an event are 3 to 5. What is the probability that the event occurs?

  1. 3/5
  2. 5/8
  3. 2/5
  4. 3/8

Answer

D. 3/8

Solution

If the odds in favor are a:b, then P=a/a+b=3/3+5= 38.

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