Question

In a bag, there are 4 red marbles, 5 white marbles, and 6 blue marbles. Once a marble is selected, it is not replaced. Find the probability of each outcome.

3. a red marble and then a white marble

4. a blue marble and then a red marble​

Answer 1

3. The probability of selecting a red marble and then a white marble is 4/15 * 5/14 = 0.1833

4. The probability of selecting a blue marble and then a red marble is 6/15 * 4/14 = 0.2133