marbles and

marbles. One of the

learners, Vusi, is asked by the teacher to select one marble out of the bowl at

random and to hand it to her. She shows the class that Vusi chose a

marble and she demonstrates to the class how to calculate the probability of

this outcome. While holding on to the first marble, she asks Vusi to select

another marble in the same way. She now asks the class to calculate the

probability that

the

first

the second marble

chosen by Vusi would happen to be