# Someone 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 brotherb.) 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.

a and c i think

the blue circle is all the people who had brothers one name was in the blue circle so one person had a brother but the in between part of the too circles are who had both a brother and a sister so the is one name in the between purple so you count that one to for brother and for sisters

there were 2 people that had brother

and four people that had sisters

and one that had both

A. of the 4 people who have a sister, 1 of them also has a brother.

Step-by-step explanation:

Hope it helped you!

Of the 4 people who have a sister, 1 of them also has a brother.

Step-by-step explanation:

Just took the quiz on APEX :)

The expression P(B/A) = 0.25 mean in terms of the Venn Diagram :

Option: D

D. of the 4 people who has a sister , 1 of them has a brother.

Step-by-step explanation:event A = the person has a sister

and event B = the person has a brother

This means that: A∩B denote the event that the person has a sister and brother.

Also we are given that: P(B|A)=0.25

We know that:

Also,

This means that out of the 4 person who has a sister 1 has a brother.