In a survey, 180 consumers were asked about their buying preferences concerning a product that is sold in the market under three labels. The results were as follows. 13 buy only those sold under label A. 25 buy only those sold under label B. 25 buy only those sold under label C. 13 buy only those sold under labels A and B. 10 buy only those sold under labels A and C. 11 buy only those sold under labels B and C. 10 buy the product sold under all three labels. How many of the consumers surveyed buy the product sold under (a) At least one of the three labels? consumers (b) Labels A and B but not C? consumers (c) Label A? consumers (d) None of these labels? consumers
In a survey, 180 consumers were asked about their buying preferences concerning a product that is sold in the market under three labels. The results were as follows. 13 buy only those sold under label A. 25 buy only those sold under label B. 25 buy only those sold under label C. 13 buy only those sold under labels A and B. 10 buy only those sold under labels A and C. 11 buy only those sold under labels B and C. 10 buy the product sold under all three labels. How many of the consumers surveyed buy the product sold under (a) At least one of the three labels? consumers (b) Labels A and B but not C? consumers (c) Label A? consumers (d) None of these labels? consumers
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 survey, 180 consumers were asked about their buying preferences concerning a product that is sold in the market under three labels. The results were as follows.
13 buy only those sold under label A.
25 buy only those sold under label B.
25 buy only those sold under label C.
13 buy only those sold under labels A and B.
10 buy only those sold under labels A and C.
11 buy only those sold under labels B and C.
10 buy the product sold under all three labels.
25 buy only those sold under label B.
25 buy only those sold under label C.
13 buy only those sold under labels A and B.
10 buy only those sold under labels A and C.
11 buy only those sold under labels B and C.
10 buy the product sold under all three labels.
How many of the consumers surveyed buy the product sold under
(a) At least one of the three labels?
consumers
(b) Labels A and B but not C?
consumers
(c) Label A?
consumers
(d) None of these labels?
consumers
consumers
(b) Labels A and B but not C?
consumers
(c) Label A?
consumers
(d) None of these labels?
consumers
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