A ball is drawn from the fırst box and transferred unseen to the second box. If a ball is now drawn from the second box, what is the probability that it is white?

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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A box contains 4 black balls and 3 white balls, and
another box contains 7 white balls and 3 black balls.
A ball is drawn from the first box and transferred unseen to the second box. If a ball is now
drawn from the second box, what is the probability that it is white?
O (4/7)(7/11) + (3/7)(8/11)
O (4/7)(8/11) + (3/7)(7/11)
O (4/7)(8/10) + (3/7)(7/10)
O (4/7)(7/10) + (3/7)(8/10)
Transcribed Image Text:A box contains 4 black balls and 3 white balls, and another box contains 7 white balls and 3 black balls. A ball is drawn from the first box and transferred unseen to the second box. If a ball is now drawn from the second box, what is the probability that it is white? O (4/7)(7/11) + (3/7)(8/11) O (4/7)(8/11) + (3/7)(7/11) O (4/7)(8/10) + (3/7)(7/10) O (4/7)(7/10) + (3/7)(8/10)
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