A bag contains 4 balls 2 are drawn at random and found to be White. What is the probability that all balls are white?
First of all, we apologize to have replied to your post after such a long time.
However, your question seems to be lacking in one important information, which is, How many colors of balls are there?
In absence of that knowledge, it is not feasible to provide you an accurate answer.
A circle is of radius 8 units. Then the probability that a randomly chosen point inside the circle is
closer to the centre than the circumference, is