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### There are 16 results

Broad Topics > Advanced Probability and Statistics > Probability distributions, expectation and variance

### Aim High

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

How do you choose your planting levels to minimise the total loss at harvest time?

### Stats Statements

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

Are these statistical statements sometimes, always or never true? Or it is impossible to say?

### Time to Evolve 2

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

How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?

### Data Matching

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

Use your skill and judgement to match the sets of random data.

### Spinners

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

How do scores on dice and factors of polynomials relate to each other?

### Into the Exponential Distribution

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

Get into the exponential distribution through an exploration of its pdf.

### What's Your Mean?

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

Can you work out the means of these distributions using numerical methods?

### 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?

### Binomial or Not?

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

Are these scenarios described by the binomial distribution?

### Random Inequalities

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

Can you build a distribution with the maximum theoretical spread?

### Understanding Hypotheses

##### Age 14 to 18

This article explores the process of making and testing hypotheses.

### Can You Find ... Random Variable Edition

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

Can you create random variables satisfying certain conditions?

### A Well-stirred Sample

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

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

### 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.

### Exponential Intersection

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

Can the pdfs and cdfs of an exponential distribution intersect?