
elementary set theory - Why is A union B also called "A or B ...
May 28, 2019 · A U B are all the elements of set A and set B. Read as 'A or B' (A union B). Whereas, A ...
probability - union of two independent probabilistic event ...
Apr 17, 2017 · $\begingroup$ But tossing 2 coins looks like a union: we're asking for probability of 2 independent events at the same time. I'd even suppose that intersection here is equal to …
elementary set theory - Proving $N(A ∪ B) = N(A) + N(B) − N(A ∩ …
Since obviously A union B counts the intersection of A and B twice. However, I am not sure how to use this fact: A∪B=(A−(A∩B))∪B $\endgroup$ – Eric J
Union of closure of sets is the closure of the union: true for finite ...
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A intersection (A union B) - Mathematics Stack Exchange
Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their …
Probability(A union B complement) given P(A) = .15, P(B) = .10, …
So then is it true that if you take the complement of P(A U B) which is .79 and add to P(A) which is .15 you get .94 the same way??? Or am I just making stuff up haha? $\endgroup$ – jc707270
general topology - Closure of the union = Union of closures ...
Oct 26, 2016 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
elementary set theory - Intuition: Power Set of Intersection/Union ...
Feb 3, 2010 · Non of the subsets of A contains all the elements from B (otherwise that'd indicate A=B), and non of the subsets of B contains all the elements from A (otherwise that'd indicate …
Probability of A given A union B - Mathematics Stack Exchange
Sep 21, 2016 · What is the probability of A given A union B? We know that p(A) = 0.5 p(B) = 0.3 p(AB) = 0.1. From my understanding of conditional probability i think it should be p(A)/p(A …
analysis - sup of A Union B - Mathematics Stack Exchange
sup of A Union B. Ask Question Asked 11 years, 4 months ago. Modified 11 years, 4 months ago. Viewed 7k ...