3) Assume two boxes are present: The first box contains 4R(red), 3W(white) balls the second 5R,2W. If it is given that a ball is drawn from either one with equal probability and put into the other box and a ball is drawn from either one. It is known that the second ball is red, what is the probability that it is drawn from first.

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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3) Assume two boxes are present: The first box contains 4R(red), 3W(white) balls the second
5R,2W. If it is given that a ball is drawn from either one with equal probability and put into the
other box and a ball is drawn from either one. It is known that the second ball is red, what is the
probability that it is drawn from first.
Transcribed Image Text:3) Assume two boxes are present: The first box contains 4R(red), 3W(white) balls the second 5R,2W. If it is given that a ball is drawn from either one with equal probability and put into the other box and a ball is drawn from either one. It is known that the second ball is red, what is the probability that it is drawn from first.
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