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Lapatulllka [165]
3 years ago
7

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
Mathematics
2 answers:
madam [21]3 years ago
7 0

Answer:7.1

Step-by-step explanation: just took the test

kari74 [83]3 years ago
6 0

Answer:

6·0.5 + 7·0.1 + 8·0.2 + 9·0.2 = 7.1

So the correct answer is 7.1 years.

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