A small train at an amusement park is carrying passengers. Half of the passengers are 6 years old, 1/10 are 7 years old, 1/5 are 8 years old, and 1/5 are 9 years old.
What is the expected age for one of the passengers on the train?
Question 4 options:
6 years
7.1 years
8 years
8.5 years
Answers (1)
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