Current location - Training Enrollment Network - Mathematics courses - What are the addition formula and multiplication formula of probability in junior high school mathematics?
What are the addition formula and multiplication formula of probability in junior high school mathematics?
If A and B are mutually exclusive, then P(A∪B)=P(A)+P(B), P (A ∪ B) = 0;

If A and B are independent, then P (A ∩ B) = P (A) P (B);

P(A and B)=P(A)+P(B)-P(AB) For any event A and B,

Related articles
  • Brief comments on primary school papers and parents' comments
  • What is the total score of the senior high school entrance examination in Dezhou, Shandong Province? 2023
  • What colleges are there in University College London?
  • Teaching design of touching spring in primary school Chinese
  • How many years did Changsha primary school study?
  • What do vocational high schools take in the national unified college entrance examination?
  • mathematician
  • Math girl paper
  • Eight diagrams and five elements attribute comparison table, what does eight diagrams belong to in five elements?
  • Why do I feel uncomfortable when I do my math homework? I just don't want to write … but I have to finish it! ! What should I do?

    • copyright 2024 Training Enrollment Network All rights reserved