if a bag contains 6 red and 4 blue marbles and one is taken out and not put back and another is taken out

Question

is the problility that both are red

Answer 1

The probability for the first is 6/10 (3/5).

The probability for the second is 5/9.

Multiply them for your answer, 1/3.

Answer 2

6/10 * 5/9 = 30/90 = 1/3