In a study of factors that influence brand switching by a certain demographic, the following factors were identified as being significant as judged by the responses of the 439 participants in the survey. 1: Better price 2: Friend's recommendation 3: Seeing others use it 4: Interesting packaging 5: Buzz-people talking about the brand 6: An advertisement 7: Press stories 8: Entertainer/sports celebrity endorsement The results of the survey follow. Factor 1 2 3 4 68.8 60.2 22.6 20.8 5 6 7 8 16.8 16.8 14.7 6.9 Respondents (%) Let A denote the set of factors that had a response greater than 20%, let B denote the set of factors that had a response between 15% and 25%, and let C denote the set of factors that had a response less than 25%. Find the following. (a) n(A), n(B), n(C) n(A) = n(B) = n(C) = (b) n(An B) (c) n(A²n C)
In a study of factors that influence brand switching by a certain demographic, the following factors were identified as being significant as judged by the responses of the 439 participants in the survey. 1: Better price 2: Friend's recommendation 3: Seeing others use it 4: Interesting packaging 5: Buzz-people talking about the brand 6: An advertisement 7: Press stories 8: Entertainer/sports celebrity endorsement The results of the survey follow. Factor 1 2 3 4 68.8 60.2 22.6 20.8 5 6 7 8 16.8 16.8 14.7 6.9 Respondents (%) Let A denote the set of factors that had a response greater than 20%, let B denote the set of factors that had a response between 15% and 25%, and let C denote the set of factors that had a response less than 25%. Find the following. (a) n(A), n(B), n(C) n(A) = n(B) = n(C) = (b) n(An B) (c) n(A²n C)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![In a study of factors that influence brand switching by a certain demographic, the following factors were identified as being significant as judged by the responses of the 439 participants in the survey.
1: Better price
2: Friend's recommendation
3: Seeing others use it
4: Interesting packaging
5: Buzz-people talking about the brand
6: An advertisement
7: Press stories
8: Entertainer/sports celebrity endorsement
The results of the survey follow.
1
2
3
4
5
6
7
8
6.9
Respondents (%) 68.8 60.2 22.6 20.8 16.8 16.8 14.7
Let A denote the set of factors that had a response greater than 20%, let B denote the set of factors that had a response between 15% and 25%, and let C denote the set of factors that had a response
less than 25%. Find the following.
Factor
(a) n(A), n(B), n(C)
n(A) =
n(B) =
n(C) =
(b) n(An B)
(c) n(AC n C)
(d) n(An B)
(e) n(An C)
(f) n[(AUB) n C]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6e1b5fc2-7275-49e6-a434-e3b12d2d745f%2Fcae9b604-1066-4d9a-97d1-8ad362b23638%2Famah9g_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In a study of factors that influence brand switching by a certain demographic, the following factors were identified as being significant as judged by the responses of the 439 participants in the survey.
1: Better price
2: Friend's recommendation
3: Seeing others use it
4: Interesting packaging
5: Buzz-people talking about the brand
6: An advertisement
7: Press stories
8: Entertainer/sports celebrity endorsement
The results of the survey follow.
1
2
3
4
5
6
7
8
6.9
Respondents (%) 68.8 60.2 22.6 20.8 16.8 16.8 14.7
Let A denote the set of factors that had a response greater than 20%, let B denote the set of factors that had a response between 15% and 25%, and let C denote the set of factors that had a response
less than 25%. Find the following.
Factor
(a) n(A), n(B), n(C)
n(A) =
n(B) =
n(C) =
(b) n(An B)
(c) n(AC n C)
(d) n(An B)
(e) n(An C)
(f) n[(AUB) n C]
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