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a C. The commercial survey on brand preferences are shown in a Venn Diagram above 25. How many persons were surveyed? 26. How many preferred Brand A only? 27-28. How many preferred for both Brand A and B only?for brand A or Brand B? 29. If a person is randomly chosen, what is the probability that a person prefers brand B 30. If a person is randomly chosen, what is the probability that a person prefers only bran Brand C? Brand B Brand A A 38 30 51 10 4. 8 137 Brand C 67 Commercial Survey on Brand Preferences

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Sagot :

Answer:

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