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20 votes
20 votes
b) In a survey of 200 families, 80 were found using 'A brand ton only, 75 were found using 'B' brand tea only and each family is using at least one of the two brands, (1) Draw a Venn diagram to illustrate the above information (i) How many families are using both brande? (111) How many families are using 'A' brand? (iv) How many families are using 'B' brand?​

User Chris Neilsen
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2 Answers

11 votes
11 votes

Answer:

The answer would be D

Explanation:

I did the quiz

User Abelenky
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2.5k points
17 votes
17 votes

Explanation:

n(u)=200

no(A)=80

no(B)=75

ii) Using both brand=200-80-75

=45

iii)n(A)=80+45

=125

iv)n(B)=75+45

=120

b) In a survey of 200 families, 80 were found using 'A brand ton only, 75 were found-example-1
User Manish Singh Rana
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2.9k points