Mathematics for IGCSE & O level - Probability (Section 4 - No. 8)
What is the expected frequency?
Number of times the event actually occurs
Probability of the event not happening
Number of trials multiplied by the probability of the event occurring
Probability of the event multiplied by the number of events
Paliwanag
Expected frequency is calculated by multiplying the probability of the event occurring by the total number of observations.