Using the law of total probabilty Suppose we have a sample space S and two events A and B such that S= AUB and ANB=0 and an event E, Suppose we have the following results: . Р(4) — 1/3 • P(B) = 2/3 P(E|A) = 1 P(E|B) = 0 What is P(E) ?
Using the law of total probabilty Suppose we have a sample space S and two events A and B such that S= AUB and ANB=0 and an event E, Suppose we have the following results: . Р(4) — 1/3 • P(B) = 2/3 P(E|A) = 1 P(E|B) = 0 What is P(E) ?
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Using the law of total probabilty
Suppose we have a sample space S and two events A and B such that
S = AUB and AnB= 0
and an event E,
Suppose we have the following results:
P(A) = 1/3
P(B) = 2/3
P (E|A) = 1
P(E|B) = 0
What is P(E) ?
Write your answer as a single fraction of integers. For example, if the answer were 17/20 then enter 17/20 with no spaces or other symbols. You may reduce the fraction by
cancelling factors common to the numerator and denominator but you do not need to do this.
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