Probability and Distribution

Manon Glyn Jones – Ysgol Tryfan - Bangor – Gwynedd

Unit English Bilingual

1

Probability
Probability
The rules of probability
The multiplication principle
Calculate the number of outcomes
Conditional probability
Total probability
Tree diagrams

Tebygolrwydd
Tebygolrwydd
Rheolau tebygolrwydd
Egwyddor lluosi
Cyfrifo nifer canlyniadau
Tebygolrwydd amodol
Tebygolrwydd cyflawn
Diagramau coeden

2

Discrete distribution

Dosraniad arwahanol

3

The Binomial distribution
The Binomial distribution
The Binomial distribution
The Poisson distribution
Poisson distribution as an approximation of the Binomial

Y dosraniad Binomial
Y dosraniad Binomial
Y dosraniad Binomial
Y dosraniad Poisson
Y dosraniad Poisson fel brasamcan i'r Binomial

4

Probability density function f(x)
The mean and variance of a continuous random variable
Cumulative distribution function
The median of a continuous distribution

Ffwythiant dwysedd tebgolrywdd f(x)
Cymedr ac amrwyiant hapnewinynau di-dor
Ffwythiant dosraniad cronnus
Canolrif dosraniad di-dor

Exercises

Probability Extra Questions
Extra Questions on Total Probability
Mean and Variance of Discrete Random Variables
Cumulative distribution function
Percentiles

Ymarferion Ychwanegol Tebygolrwydd
Ymarferion Ychwanegol Tebygolrwydd Cyflawn
Ymarferion Cymedr ac Amrywiant Dosraniad Arwahanol
Ffwythiant Dosraniad Cronnus
Canraddau

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