A friend rolls a cheap 6-sided die many times.  He reports that the probabilities of the possible outcomes are about as follows:   Outcome 1 2 3 4 5 6 Probability 0.2 0.2 0.2 0.1 0.1 0.2   Using the probabilities above, what is the expected outcome when rolling this die?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.4: Expected Value
Problem 1E: If a game gives payoffs of $10 and $100 with probabilities 0.9 and 0.1, respectively, then the...
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A friend rolls a cheap 6-sided die many times.  He reports that the probabilities of the possible outcomes are about as follows:

 

Outcome

1

2

3

4

5

6

Probability

0.2

0.2

0.2

0.1

0.1

0.2

 

Using the probabilities above, what is the expected outcome when rolling this die?

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