Question

There is a bag filled with 4 blue, 3 red and 5 green marbles.
A marble is taken at random from the bag, the colour is noted and then it is replaced.
Another marble is taken at random.
What is the probability of getting exactly 1 green?

Answer 1

Answer:

blue balls = 4

red balls = 3

green balls = 5

total balls = 4+3+5

= 12

probablity ( green balls) = 5/12

complete