Let A and B be events. Point (prove) that:   a. P(A \ B) = P(A) − P(A ∩ B).    b) If 0 < P(B) < , and P(A|B) = P(A|Bc), then A⊥B.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question
Let A and B be events. Point (prove) that:
 
a. P(A \ B) = P(A) − P(A ∩ B). 
 
b) If 0 < P(B) < , and P(A|B) = P(A|Bc), then A⊥B.
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON