MATHEMATICS · Multi-part · GCSE · Mathematics · Probability · Probability
Problem
A bag contains only 5 identical red balls. One ball is drawn at random without looking. Answer the following questions:
(i) What is the sample space of this experiment?
(ii) Let event A be “the ball drawn is red” and event B be “the ball drawn is blue”. State whether each event is certain, impossible or neither.
(iii) Give a reason, based on the definition of probability, for the value of the probability of each of the events A and B.