156k views
6 votes
A bag contains 3 red marbles and 3 blue marbles. What is the probability that the first marble drawn is red and the 2nd marble drawn is blue?

User Tomoyo
by
4.2k points

2 Answers

12 votes

Answer:

Explanation:

6 total

3R 3B

50% chance for both

User GavinCattell
by
5.0k points
3 votes

Answer: there are a total of 7 marbles

Explanation:

The chance of the first marble being blue is 4/7. Now we only have 6 marbles in the bag (3 red and 3 blue)

The chance of the second marble being blue is 3/6

User Mkkrolik
by
4.7k points