Test your understanding of probability!

You have three bags, each containing two marbles. Bag A contains two white marbles, Bag B contains two black marbles, and Bag C contains one white marble and one black marble. You pick a random bag and take out one marble, it is a white marble. What is the probability that the remaining marble from the same bag is also white?

A) 1/2

B) 2/3

C) 1/4

D) 1/3

This and four other problems were presented in the Library during Maths Week which students could answer and enter into a daily prize draw where students could win one of two prizes. 

With massive participation from students across all year levels, the 2023 Maths Week was a tremendous success. Test your understanding of probability with this question from Maths Week and come back next week to check your answer.

A massive congratulations to the Maths Week winners: Connor Gray, Nikos Stamou, Brian Ischia, Cayden Pistorius, Johan Lokman, Julian Samson, Jason Ischia, Connor Knights, Thomas Tonkin and Rohan Savarimuthu.