Question

there is a bag filled with 4 blue and 5 red marbles.
A marble is taken at random from the bag, the colour is noted and then it is not replaced.
Another marble is taken at random.
What is the probability of getting 2 that are different in colour?

Answer 1

Answer:

The blue marble will minos and 3 and the reb one will minos and 4.

Answer 2

Answer:

there will be remaining

3 blue marble and 4 red marble in the bag