Question 6
Suppose we have four boxes A,B,C and D containing coloured marbles as given below: Box Marble colour Red White Black
| A | 1 | 6 | 3 |
|---|---|---|---|
| B | 6 | 2 | 2 |
| C | 8 | 1 | 1 |
| D | 0 | 6 | 4 |
One of the boxes has been selected at random and a single marble is drawn from it. If the marble is red, what is the probability that it was drawn from box A?, box B?, box C?
SOLUTION
→→→→