2.) A group of students in a mathematics class were asked whether they participated in the par presidential elections (2020, 2016, and 2012). The results are as follows. • There are 40 students who participated in the survey. • 28 said they voted in 2020. (A) • 20 said they voted in 2016. (B) • 6 said they voted in 2012. (C) • 16 said they voted in both 2020 and 2016. • 4 said they voted in both 2016 and 2012. 3 said they voted in both 2020 and 2012. 3 said they voted in all three elections. a.) Draw a Venn diagram to represent this information. b.) How many participants did not vote in any of the elections? c.) How many participants only voted in the 2020 election?
2.) A group of students in a mathematics class were asked whether they participated in the par presidential elections (2020, 2016, and 2012). The results are as follows. • There are 40 students who participated in the survey. • 28 said they voted in 2020. (A) • 20 said they voted in 2016. (B) • 6 said they voted in 2012. (C) • 16 said they voted in both 2020 and 2016. • 4 said they voted in both 2016 and 2012. 3 said they voted in both 2020 and 2012. 3 said they voted in all three elections. a.) Draw a Venn diagram to represent this information. b.) How many participants did not vote in any of the elections? c.) How many participants only voted in the 2020 election?
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Transcribed Image Text:2.) A group of students in a mathematics class were asked whether they participated in the past 3
presidential elections (2020, 2016, and 2012). The results are as follows.
•
•
•
•
There are 40 students who participated in the survey.
28 said they voted in 2020. (A)
20 said they voted in 2016. (B)
6 said they voted in 2012. (C)
16 said they voted in both 2020 and 2016.
4 said they voted in both 2016 and 2012.
•
3 said they voted in both 2020 and 2012.
•
3 said they voted in all three elections.
a.) Draw a Venn diagram to represent this information.
b.) How many participants did not vote in any of the elections?
c.) How many participants only voted in the 2020 election?
d.) How many people voted in exactly one of these elections?
e.) How many participants voted in 2020 and 2016 but NOT 2012?
f.) Why do you think so few participants voted in the 2012 election in this survey?
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