In a contest, players have to pick marbles from a bag. The bag contains 30 blue marbles, 20 yellow marbles, 10 red marbles, and 40 green marbles. A player wins $7 on picking a green marble, loses $5 on picking a blue marble, loses $3 on picking a yellow marble, and wins $2 on picking a red marble.

What is the expected value of the money earned in 100 draws, assuming the marble is returned each time before another is drawn?

Question

In a contest, players have to pick marbles from a bag. The bag contains 30 blue marbles, 20 yellow marbles, 10 red marbles, and 40 green marbles. A player wins $7 on picking a green marble, loses $5 on picking a blue marble, loses $3 on picking a yellow marble, and wins $2 on picking a red marble.

What is the expected value of the money earned in 100 draws, assuming the marble is returned each time before another is drawn?

supersmart1001 · Answer

i would  say about 20/100 would be the probobility not sure though

love_to_love_you · Answer

@mathmale