What are the basic rules of probability?
The basic rules of probability are given below.
Addition rule: P(A∪B)=P(A)+P(B)–P(A∩B)
This can also be written as P(AorB)=P(A)+P(B)–P(AandB)
Multiplication rule:P(A∩B)=P(A).PBA
When A and B are independent events, then P(AandB)=P(A).P(B)
Complementary rule: P(A)+P(notA)=1
What are. Algebra rules