Answer:
of the 4 people that have a sister, 2 of them have a brother
Step-by-step explanation:
probability of B given A
given that the person has a sister, what is the probability they have a brother
P (B/A) = 1/2
with this venn diagram
of the 4 people that have a sister, 2 of them have a brother
Answer:
A) x = 10-/3, y = 20
Step-by-step explanation:
Answer:
okkkkkkk ty for he points
Step-by-step explanation: