Engineering Board Exam Reviewer · Odds and Mathematical Expectation · medium

In a game, a player wins P30 if a fair die shows a 6 and loses P5 otherwise. Find the expected gain per play.

  1. P0.83
  2. -P0.83
  3. P25
  4. P5

Answer

A. P0.83

Solution

E= 16(30)+ 56(-5)=5-4.17= 56 P0.83 per play.

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