Nine students, five men and four women, interview for four summer internships sponsored by a city newspaper. Assume any set of four interns is equally likely. What is the probability that not everyone selected is of the same sex?

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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Nine students, five men and four women,
interview for four summer internships
sponsored by a city newspaper. Assume any
set of four interns is equally likely. What is
the probability that not everyone selected is
of the same sex?
Transcribed Image Text:Nine students, five men and four women, interview for four summer internships sponsored by a city newspaper. Assume any set of four interns is equally likely. What is the probability that not everyone selected is of the same sex?
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