How likely you think something is to happen depends on what you already believe about the circumstances. That is the simple ...

GCSE Edexcel Probability - Edexcel Conditional probability - Higher Probabilities can be written as fractions, decimals or percentages on a scale from 0 to 1.

Probability theorem gets quantum makeoverWhat would Thomas Bayes think? In 1763, he proposed a new approach to calculate ...

Conditional probability - Higher Conditional probability occurs when it is given that something has happened. (Hint: look for the word “given” in the question).