Question

Marleny is creating a game of chance for her family. she has 5 different colored marbles in a bag: blue, red, yellow, white, and black. she decided that blue is the winning color. if a player chooses any other color, they lose 2 points. how many points should the blue marble be worth for the game to be fair?

Answer 1

If the blue color is the winning color by the two points, the points that should the blue marble be worth for the game to be fair is 4. The correct option is A

What is expected random value?

Expected value is the average value achieve by a random variable. It is denoted by Ex.

To calculate the random variable, sum the product of the random variable.

Thus, the correct option is A, 4 points.

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Answer 2

Answer:

4

Explanation: