Question

A bag contains 3 white marbles and 6 black marbles. You pick out a marble, record its color, and put the marble back in the bag. If you repeat this process 36 times, how many times would you expect to remeve a black marble from the bag?

Answer 1

this is ur required result in attachment

Answer 2

You would expect to 24 times.

The bag is made up of 2/3 black marbles and thus you would expect 2/3 of the final to be black.