Question

Two balls are drawn in succession out of a box containing 2 red and 2 white balls. Find the probability that the second ball was​ red, given that the first ball​ was:

​(A)  replaced before the second draw.
​(B)  not replaced before the second draw.

Answer 1

The answer is A replaced before the second draw

Hope this helps :)

Answer 2

A replaced before the second draw.