Expected Score

[msmarvelous]

Hi, I am not sure how to calculate the expected score.
An example of this:

"Crystals Distribution"
SCORE: 17 18 19
PROBABILITY: .45 .40 .15

How would I calculate the expected score?
Thanks

 

[wjm11]

Hi, I am not sure how to calculate the expected score.
An example of this:

"Crystals Distribution"
SCORE: 17 18 19
PROBABILITY: .45 .40 .15

How would I calculate the expected score?

Multiply each value/score by its probability.
Add the answers.