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Broad Topics > Stage 5 Statistics Mapping Document > SM - Conditional probability

### Put Out

##### Age 16 to 18 Challenge Level:

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?

### Rain or Shine

##### Age 16 to 18 Challenge Level:

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.

### Dicey Dice

##### Age 16 to 18 Challenge Level:

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

### X-dice

##### Age 16 to 18 Challenge Level:

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

### Playing Squash

##### Age 16 to 18

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.