Amy has a box containing 6 white. 4 red, and 8 black

Last updated: 7/28/2022

Amy has a box containing 6 white. 4 red, and 8 black marbles. She picks a marble randomly. It is red. The second time, she picks a white marble. In the third attempt. Amy picks a white marble again. Amy has not replaced the marbles she picked. The probability that the fourth marble Amy picks is black is______ If Amy picks a black marble in the fourth attempt, the probability that in the fifth attempt she will pick a red or a black marble is_____