Question

Box 1 contains 1 white and 999 red balls. Box 2 contains 1 red and 999 white balls. A ball is picked from a randomly selected box. If the ball is red what is the probability that it came from box 1?

Answer 1

Answer:

1. P(E)=
2. $\frac{999}{1000}$

Explanation:

total outcomes=red ball +white balls