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
The number is 20. Work in picture if you want it or want justification of steps:)
Answer:
DE = 12cm
Step-by-step explanation:
It's free real estate
Taking the length of the string to be the hypothenuse and the vertical height above the ground to be the 'opposite' side,
the length of the string
= 70/sin(40°)
= 109 feet