[Answered] If P(A) = 0.35, P(B) = 0.55, and P(A and B) = 0.1, find P(A or B). ...

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Author Question: If P(A) = 0.35, P(B) = 0.55, and P(A and B) = 0.1, find P(A or B). ... (Read 76 times)

Garrulous

Hero Member
Posts: 686

on: Jul 24, 2018

If P(A) = 0.35, P(B) = 0.55, and P(A and B) = 0.1, find P(A or B).

Question 2

Events A and B are defined on a common sample space. If P(A) = 0.20, P(B) = 0.40, and P(A or B) = 0.56, find P(A and B)

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ttt030911

Sr. Member
Posts: 315

Reply #1 on: Jul 24, 2018

Answer to Question 1

P(A or B) = P(A) + P(B) P(A and B) = 0.35 + 0.55 0.1 = 0.80

Answer to Question 2

0.04

Garrulous

Member
Posts: 686

Reply 2 on: Jul 24, 2018

Gracias!

ebonylittles

Member
Posts: 318

Reply 3 on: Yesterday

Wow, this really help

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