biancatay
17.12.2021 •
Mathematics
A bag contains 8 green marbles, 5 yellow marbles, and 12 black marbles. If a green marble is drawn, you win $10. If a yellow marble is drawn, you win $15. If a black marble is drawn, you lose $10. It costs $1 to play. What is the expected value of playing the game repeatedly?
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Ответ:
Slope: (6-4)/(3+1) = 2/4
The slope is 1/2