You roll a blue and a green die. If the sum of the two dice is 6, what is the probability that the blue die showed a 2?  a. 2/5 b. 1/6 c. 1/4 d. 1/5

A First Course in Probability (10th Edition)
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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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You roll a blue and a green die. If the sum of the two dice is 6, what is the probability that the blue die showed a 2? 

a. 2/5
b. 1/6
c. 1/4
d. 1/5
e. 3/5
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