Answer:
top right
Step-by-step explanation:
The tree on the top right shows pick a marble and then picking a second marble. You pick either a red or a yellow on the first round. Then on the second round you get blue green or pink. This is not a sample space for picking one marble.
Answer:
x=11
Step-by-step explanation:
3+5+7 = 15 total marbles
3 are red
so she has a 3/15 reduces to 1/5 probability of picking a red one
