13. If a teacher is randomly chosen, what is the probability that the teacher has only used teams in an online class? B. * 6 A. + C. * D. 15 15 14. If a teacher is randomly chosen, what is the probability that the teacher has teams or google meet? В. D. 11 12 5 7 A. - C. 12
13. If a teacher is randomly chosen, what is the probability that the teacher has only used teams in an online class? B. * 6 A. + C. * D. 15 15 14. If a teacher is randomly chosen, what is the probability that the teacher has teams or google meet? В. D. 11 12 5 7 A. - C. 12
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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
Transcribed Image Text:For numbers 13-15
A group of teachers was sunveyed about the applications they used for online
teaching. Below is the result of the survey presented using the Venn Diagram.
Teams
Zoom
T Microsoft Teams
Google
Мeet
10
Zoom
Google Meet
13. If a teacher is randomly chosen, what is the probability that the teacher has only
used teams in an online class?
В.
C. *
1
2
4
D. +
6
A.
15
15
15
15
14. If a teacher is randomly chosen, what is the probability that the teacher has
teams or google meet?
A.
В.
5
7
D.
11
C. 12
12

Transcribed Image Text:15. If a teacher is randomly chosen, what is the probability that the teacher has the
three applications?
A.
7
В.
1
13
C.
17
D.
30
30
30
30
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