Suppose that a course has 3 sections with 50, 70, and 80 students, respectively. We random pick one student, and everyone in the same section as that student gets a candy bar. What's the expected number of candy bars we'd give out?

Suppose that a course has 3 sections with 50, 70, and 80 students, respectively. We random pick one student, and everyone in the same section as that student gets a candy bar. What's the expected number of candy bars we'd give out?

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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Suppose that a course has 3 sections with 50, 70, and 80 students, respectively. We random pick one student, and everyone in the same section as that student
gets a candy bar. What's the expected number of candy bars we'd give out?

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