dents in a faculty study in A department, 30% in B department and the rest in C department. The average of 10% of those studying in A section, 15% of those studying in B section and 20% of those studying in C section is above 3.00. When it is known that the average of a student randomly selected from these departments is above 3.00, what is the probability that the student is studying in department A?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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20% of the students in a faculty study in A department, 30% in B department and the rest in C department. The average of 10% of those studying in A section, 15% of those studying in B section and 20% of those studying in C section is above 3.00. When it is known that the average of a student randomly selected from these departments is above 3.00, what is the probability that the student is studying in department A?

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