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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6

A box contain black balls and 'y
red balls. One of the balls is
drawn at random. We then put
that ball back in the box, but we
also put 'n' more balls of the
same color as the drawn ball into
the box. If we draw another ball,
then what is the probability that
the first ball drawn is black, given
that the second ball drawn was
red?
Transcribed Image Text:A box contain black balls and 'y red balls. One of the balls is drawn at random. We then put that ball back in the box, but we also put 'n' more balls of the same color as the drawn ball into the box. If we draw another ball, then what is the probability that the first ball drawn is black, given that the second ball drawn was red?
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