SOLUTION: In a room inside are 10 people whose ages are: 5, 5, 6, 6, 20, 21, 21, 22, 28, 31. Choose one of these people at random. What is the average (expectation value) age of the pe

Algebra ->  Permutations -> SOLUTION: In a room inside are 10 people whose ages are: 5, 5, 6, 6, 20, 21, 21, 22, 28, 31. Choose one of these people at random. What is the average (expectation value) age of the pe      Log On


   



Question 732652: In a room inside are 10 people whose ages are:
5, 5, 6, 6, 20, 21, 21, 22, 28, 31.
Choose one of these people at random. What is the average (expectation value) age of the person you choose?
can i have some help here?

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Add all the given ages and divide by 10.

John

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