Rolling a Die When one die is rolled, the expected value

Chapter 5, Problem 21EC

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QUESTION:

Problem 21EC

Rolling a Die When one die is rolled, the expected value of the number of spots is 3.5. In Exercise 20. the mean number of spots was found for rolling two dice. What is the mean number of spots if three dice are rolled?

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QUESTION:

Problem 21EC

Rolling a Die When one die is rolled, the expected value of the number of spots is 3.5. In Exercise 20. the mean number of spots was found for rolling two dice. What is the mean number of spots if three dice are rolled?

ANSWER:

Solution 21EC

Step1 of 2:

From the given problem we have the expected value of the number of spots is 3.5. When one die is rolled.

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