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### Over-booking

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

The probability that a passenger books a flight and does not turn up is 0.05. For an aeroplane with 400 seats how many tickets can be sold so that only 1% of flights are over-booked?

### A Well-stirred Sample

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

Typical survey sample sizes are about 1000 people. Why is this?

### Binomial or Not?

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

Are these scenarios described by the binomial distribution?

### Binomial Conditions

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

When is an experiment described by the binomial distribution? Why do we need both the condition about independence and the one about constant probability?

### Statistics - Maths of Real Life

##### Age 14 to 18 Challenge Level:

This pilot collection of resources is designed to introduce key statistical ideas and help students to deepen their understanding.

### Pattern Recognition

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

When does a pattern start to exhibit structure? Can you crack the code used by the computer?