An urn contains 20 marbles of identical size where 10 marbles are green, 8 marbles are red and 12 marbles are blue. If two marbles are drawn from the urn WITHOUT REPLACEMENT, what is the probability that: The 1st marble is red and the 2nd marble is red?
An urn contains 20 marbles of identical size where 10 marbles are green, 8 marbles are red and 12 marbles are blue. If two marbles are drawn from the urn WITHOUT REPLACEMENT, what is the probability that: The 1st marble is red and the 2nd marble is red?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
An urn contains 20 marbles of identical size where 10 marbles are green, 8 marbles are red and 12 marbles are blue. If two marbles are drawn from the urn WITHOUT REPLACEMENT, what is the probability that:
The 1st marble is red and the 2nd marble is red?
Expert Solution
Step 1
From the provided information,
Total green marbles = 10
Total red marbles = 8
Total blue marbles = 12
Total marbles = 10 + 8 + 12 = 30
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