Q. A box contains 2 red and 3 black balls. Three balls are randomly chosen from the box and are placed in a bag. Then the probability that there are 1 red and 2 black balls in the bag is .
Ans: 0.59-0.61
Sol:
The required probability is
Q. A box contains 2 red and 3 black balls. Three balls are randomly chosen from the box and are placed in a bag. Then the probability that there are 1 red and 2 black balls in the bag is .
Ans: 0.59-0.61
Sol:
The required probability is