Random variables

There are 10 NRICH Mathematical resources connected to Random variables
Statistics - maths of real life
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Statistics - maths of real life

Age
14 to 18
Challenge level
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This pilot collection of resources is designed to introduce key statistical ideas and help students to deepen their understanding.
Binomial conditions
problem

Binomial conditions

Age
16 to 18
Challenge level
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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?
problem

Binomial or not?

Age
16 to 18
Challenge level
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Are these scenarios described by the binomial distribution?
Time to evolve 2
problem

Time to evolve 2

Age
16 to 18
Challenge level
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How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?
Stats statements
problem

Stats statements

Age
16 to 18
Challenge level
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Are these statistical statements sometimes, always or never true? Or it is impossible to say?
Taking Chances
problem

Taking Chances

Age
11 to 14
Challenge level
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This article, for students and teachers, is mainly about probability, the mathematical way of looking at random chance and is a shorter version of Taking Chances Extended.
Taking Chances Extended
article

Taking Chances Extended

This article, for students and teachers, is mainly about probability, the mathematical way of looking at random chance.