A teacher asked students in his dass if they had any brothers or sisters. The results are shown at the
nght. What is the chance of randomly selecting
someone from this group with a brother given that
they have a sister?
P(Brother | Sister)

their is a 50 50 chance

Step-by-step explanation:

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.