A cooler contains 10 sport drinks and 15 bottles of water. If two drinks are selected, which combination would have a probability of 15%?

Question

Multiple Choice

 

Selecting 1 sport drink and 1 water

Not selecting a sport drink

Selecting 2 sport drinks

Selecting two bottles of water

(A,B,C,D)

Answer 1

2 sports drinks

 

there are 25 choose 2 ways, or 300 ways, to choose two drinks

 

there are 10 choose 2, or 45 ways, to choose 2 sport drink

 

45/300 = 0.15