Revision sheet · Mathematics

Probability

Experimental probability (relative frequency): $P = \frac{f}{n}$
Theoretical probability: $P = \frac{m}{n}$
The probability that an event does not happen: P(not E) = 1 − P(E): $Q = 1 - P$
Addition rule of probability: $P (A \cup B) = P (A) + P (B) - P (A \cap B)$