SOLUTION: In a survey of 120 consumers conducted in a shopping mall, 76 consumers indicated that they buy Brand A of a certain product, 66 buy Brand B, and 48 buy both brands. How mar consu
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Question 1196238: In a survey of 120 consumers conducted in a shopping mall, 76 consumers indicated that they buy Brand A of a certain product, 66 buy Brand B, and 48 buy both brands. How mar consumers participating in the survey buy the following? (a) at least one of these brands consumers Answer by ikleyn(52805) (Show Source):
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In a survey of 120 consumers conducted in a shopping mall, 76 consumers indicated that they buy
Brand A of a certain product, 66 buy Brand B, and 48 buy both brands. How mar consumers participating
in the survey buy the following? (a) at least one of these brands ?
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We add two basic quantities and subtract the intersection number
76 + 66 - 48 = 94.
We subtract the intersection in order for do not count it twice.
ANSWER. 94 customers bought at least one of these brands.
