Probability - Conditional

Playing Squash

Stage: 5

Playing squash involves lots of mathematics. This article explores the mathematics of a squash match and how a knowledge of probability could influence the choices you make.

Dicey Dice

Stage: 5 Challenge Level: Challenge Level:1

Invent a set of three dice where each one is better than one of the others?

Rain or Shine

Stage: 5 Challenge Level: Challenge Level:2 Challenge Level:2

Predict future weather using the probability that tomorrow is wet given today is wet and the probability that tomorrow is wet given that today is dry.

Put Out

Stage: 5 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

After transferring balls back and forth between two bags the probability of selecting a green ball from bag 2 is 3/5. How many green balls were in bag 2 at the outset?

X-dice

Stage: 5 Challenge Level: Challenge Level:2 Challenge Level:2

Explore these X-dice with numbers other than 1 to 6 on their faces. Which one is best?