Probability distributions, expectation and variance

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Favourite

Spinners

Age

16 to 18

Challenge level

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

Age

16 to 18

Challenge level

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

What's Your Mean?

Age

16 to 18

Challenge level

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

Into the Exponential Distribution

Age

16 to 18

Challenge level

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

Aim High

Age

16 to 18

Challenge level

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

Random Inequalities

Age

16 to 18

Challenge level

Can you build a distribution with the maximum theoretical spread?
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Favourite

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?
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Exponential Intersection

Age

16 to 18

Challenge level

Can the pdfs and cdfs of an exponential distribution intersect?
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Data Matching

Age

14 to 18

Challenge level

Use your skill and judgement to match the sets of random data.
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Can You Find ... Random Variable Edition

Age

16 to 18

Challenge level

Can you create random variables satisfying certain conditions?