Question

There are 3 black marbles and 4 red marbles and you pick 2 marbles out what is the probability both will be black

Answer 1

Answer: 3/7 or 42.857142%

Explanation:

Black= 3

Total= 7

Hence 3/7

If you want the answer in %, it would be,

3/7*100= 42.857142%