Mathematics for IGCSE & O level - Probability (Section 3 - No. 18)
A survey of 50 people showed that 30 preferred vanilla ice cream. What is the relative frequency of preferring vanilla?
1/5
3/5
2/5
1/10
คำอธิบาย
Relative frequency = (favorable outcomes) / (total outcomes) = 30 / 50 = 3/5