Conditional probability
Also written: P(A | B), P(A given B)
The probability of A once you know B happened, P(A | B) = P(A and B) ÷ P(B). Among Sam's new customers 48.6% used a discount code, compared with 28.4% overall.
Also written: P(A | B), P(A given B)
The probability of A once you know B happened, P(A | B) = P(A and B) ÷ P(B). Among Sam's new customers 48.6% used a discount code, compared with 28.4% overall.