A group of 12 students are located in the following time zones: 3 PST, 2 MST, 2 CST, 5 EST. Four students are randomly selected from this group. a) What is the probability that they are in the same time zone? b) What is the probability that they are all in different time zones? c) What is the probability that exactly two time zones will be represented in this group?
A group of 12 students are located in the following time zones: 3 PST, 2 MST, 2 CST, 5 EST. Four students are randomly selected from this group. a) What is the probability that they are in the same time zone? b) What is the probability that they are all in different time zones? c) What is the probability that exactly two time zones will be represented in this group?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter0: Preparing For Algebra
Section: Chapter Questions
Problem 55PRT
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A group of 12 students are located in the following time zones: 3 PST, 2 MST, 2 CST, 5 EST.
Four students are randomly selected from this group.
a) What is the probability that they are in the same time zone?
b) What is the probability that they are all in different time zones?
c) What is the probability that exactly two time zones will be represented in this group?
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