Question

http://prntscr.com/9qgfg5

Answer 1

@myininaya

Answer 2

i think its 1/9

Answer 3

@Rushwr

Answer 4

Give me a sec I will help

Answer 5

4 + 3 + 3 = 10

So in total before you remove a marble, you have 10.

Answer 6

So then if you remove a red marble you have 9 marbles total.

Answer 7

So first we must find the probability of picking a red marble.

Answer 8

So the probability of picking a red marble first is 3/10 because there are 10 total marbles and three of them are red.

Answer 9

Do you understand @Diana.xL

Answer 10

3/10 isnt an option tho