Four prizes are hidden under 20 blocks. One prize is worth $10,000, two are worth \$5,000, and the other is worth \$1,000. The other blocks contain no prizes. What is the expected value of this game? Suppose the game costs $500 to play this game. Now, what is the expected value of the game? $

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Q: Describe about the subtraction rule of Probability.

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Q: Describe about the addition rule of Probabilities.

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Q: What are the addition and multiplication rules of probability and when should they be used?

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A: There are 2 red marbles, 3 yellow marbles and 5 green marbles.

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Q: How Probability and decision analysis can help us benefit in our future

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