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 le

Question

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?​

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Trúc Chi 5 years 2021-07-24T00:03:34+00:00 2 Answers 79 views 0

Answers ( )

  1. danthu
    0
    2021-07-24T00:05:18+00:00
    Reply

    Step-by-step 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

  2. RuslanHeatt
    0
    2021-07-24T00:05:24+00:00
    Reply

    Answer:

    The answer would be D

    Step-by-step explanation:

    I did the quiz

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