What is the probability that you choose a blue marble and then another blue marble, assuming you replace the first marble?

a) 1/24

b) 1/16

c) 1/2

d) 3/4

The probability that you choose a blue marble and then another blue marble, assuming you replace the first marble depends on the total number of marbles inside the bag. Assume that there are 6 marbles, then the probability of getting a blue marble is (C) 1/2

It should be a or d i’m not sure