Dr. Train has (8 choose 4) ways of selecting problems for Exam #1 Amalia can solve 5/8 of the problems. She can solve all if Dr. Train selects her 4 from Amalia’s list of 5. What is the probability that she can solve exactly 3 problems on Dr. Train’s exam?

Dr. Train has (8 choose 4) ways of selecting problems for Exam #1 Amalia can solve 5/8 of the problems. She can solve all if Dr. Train selects her 4 from Amalia’s list of 5. What is the probability that she can solve exactly 3 problems on Dr. Train’s exam?

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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Dr. Train has (8 choose 4) ways of selecting problems for Exam #1

Amalia can solve 5/8 of the problems. She can solve all if Dr. Train selects her 4 from Amalia’s list of 5. What is the probability that she can solve exactly 3 problems on Dr. Train’s exam?

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