Question
A new theme park will have five roller coasters, six water rides and eight suspension rides.
If you were going to go on 5 of the 8 suspension rides, how many different ways could you do so?
If you were going to go on 5 of the 8 suspension rides, how many different ways could you do so?
Answers
Reiny
I will assume that the roller coasters and the water slides are not involved, and that the order in which you go on the 5 suspension rides doesn't matter, so
you simply want 8-choose-5
= C( 8,5) = 56
you simply want 8-choose-5
= C( 8,5) = 56