Question:
2. (8B) A bag contains 10 marbles. 3 of them are blue, 4 of
Last updated: 8/6/2022
2. (8B) A bag contains 10 marbles. 3 of them are blue, 4 of them are black, 2 of them are red, and 1 of them is green. Two marbles are removed from the bag one at a time WITHOUT REPLACEMENT. What is the probability that a person randomly draws out a blue marble first and a red marble second?