Answer:
-2-(-16)=14
Step-by-step explanation:
Use KCC rule
P(B|A) means "the probability of B given A", which in turn means: how likely is B, if we are guaranteed that A is true?
In your case, this means: if you already know that the person has a sister, how likely it is that the same person also has a brother?
if you look the diagram, you see that 4 people has a sister: Davis, Kari, Chu, Evan. Out of these 4 people, 2 of them also have a brother.
This explains P(B|A)=0.5: half of the people with a sister also have a brother.
Answer:
33.42 divided by 6?
Step-by-step explanation: