Question

There are 130 people is a sports centre 76 people use the gym 60 people use the swimming pool 32 people use the track 23 people use the gym and pool 8 people use the pool and track 20 people use the gym and track 6 people use all 3 facilities given that a randomly selected person uses at least two facilities what is the probability they use all the facilities

Answer 1

as the question is probablity 6 of the 130 people use all so the probability would of selecting someone that uses all three would be

6/130 or simplified to 3/65