Question

There is a bag filled with 6 blue and 5 red 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 2 of the same colour?

please explain

Answer 1

the probability of the same colour being taken from the bag is a 5:5 ratio if the first marble is not put back

Explanation: