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