Mathematics

Mathematics, 31.10.2020 21:10, HarryPotterhead7

There are 130 people in a sport centre. 65 people use the gym.
51 people use the swimming pool.
44 people use the track.
15 people use the gym and the pool.
14 people use the pool and the track.
10 people use the gym and the track.
1 person uses all three facilities.
Given that a randomly selected person uses the gym and the track, what is the probability they do not use the swimming pool?
as a fraction?

answer

Answers: 1

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There are 130 people in a sport centre. 65 people use the gym.
51 people use the swimming poo...

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