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Ten people were asked if they have a brother or sister. This Venn diagram
shows the results. A person is randomly chosen from those shown in the
Venn diagram.
Let event A The person has a sister.
Let event B = The person has a brother.
Sara
Tuan
Sajut
HAS A
BROTHER
Adam
Bucci
Lyle
Chu
Evan
HAS A
SISTER
Davis
Kari
What does P(BIA) = 0.50 mean in terms of the Venn diagram?

Ten people were asked if they have a brother or sister This Venn diagram shows the results A person is randomly chosen from those shown in the Venn diagram Let class=


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