MATHEMATICS · Multi-part · CBSE · Mathematics · Probability · Probability
Problem
A bag contains 5 red, 3 blue and 2 green marbles of identical size and weight. One marble is drawn at random from the bag. Define the following events:
Event R: drawing a red marble;
Event G: drawing a green marble.
(i) Calculate P(R) and P(G).
(ii) Identify which event, R or G, is more likely. Show your working.
(iii) By how much does the probability of the more likely event exceed that of the other event? Express your answer as a simplified fraction.