dice are rolled and their up faces are noted. What is the probability both numbers are even given their sum is 4?

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...
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2 dice are rolled and their up faces are noted. What is the probability both numbers are even given their sum is 4?

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Step 1

When two dice are rolled the total outcomes are 62=36

Let A be the event that sum is 4

A={(1,3),(2,2),(3,1)}

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