Someone help PLZ.
What does P(B|A) = 0.25 mean in terms of the Venn diagram.
A.) Of people who have a sister, 1 of them also have a brother
B.) Of the 8 people surveyed, 2 of these have a brother.
C.) Of the 4 people who don't have a sister, 1 of them has a brother.
D.) Of the 4 people who don't have a sister, 1 of them has a brother.
