Question

An urn contains 5 white and 5 black balls, 4 balls are drawn from this urn and put into another urn. From this second urn a ball is drawn and is found to be white. What is the probability of drawing a white ball again at the next draw?(the first white ball drawn is not replace

Answer 1

Answer:

total number of outcomes =15

probability of white balls =5/15=1/3