Answer:
Read below.
Explanation:
a) 100%
Picking a green marble out of a bag of all green marbles.
In this, you would pick a green marble no matter what since the bag only contains green marbles.
b) 1/2
Flipping a fair coin and landing heads.
On a fair coin, there are 2 possibilities, head or tails. Since this is fair, there is a 50% chance you would get heads or tails.
c) 1:6
Rolling a 2 on a fair 1-6 sided die.
On this fair die, there are 6 possibilities, 1, 2, 3, 4, 5, or 6. Since this is a fair die, there is 1:6 chance you would roll a 2.
d) 0
Picking a red marble out of a bag of all green marbles.
This probability would be 0 since there are no red marbles in our bag of only green marbles.