A student organization has 5 freshmen, 9 sophomores, 6 juniors, and 7 seniors. Six students will be selected to attend a conference. a. How many ways can the six students be chosen? b. How many ways can the six students be chosen with exactly 2 juniors? c. What is the probability that exactly 2 of the six students chosen are juniors?

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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A student organization has 5 freshmen, 9 sophomores, 6 juniors, and 7
seniors. Six students will be selected to attend a conference.
a. How many ways can the six students be chosen?
b. How many ways can the six students be chosen with exactly 2 juniors?
c. What is the probability that exactly 2 of the six students chosen are juniors?
Transcribed Image Text:A student organization has 5 freshmen, 9 sophomores, 6 juniors, and 7 seniors. Six students will be selected to attend a conference. a. How many ways can the six students be chosen? b. How many ways can the six students be chosen with exactly 2 juniors? c. What is the probability that exactly 2 of the six students chosen are juniors?
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