The answer you're looking for is .5 Hope it helps ;)
Answer: To confuzing
Step-by-step explanation:
Answer:The answer is
and the number in green box =7
Step-by-step explanation:
P(Sophomore| Girl)=?
We have P(A | B) =P(A∩B)/ P(B)
P(Sophomore∩Girls)= 
Total Students =8+12+5+5 =30
Total girls =4+7+3+4 =18
P(Girls)=
P(Sophomore | Girl)=P(Sophomore | Girls)/P(Girls)
=
=
The number in green box =7
The 6 should be subtracted so it gets everything on the opposite side of the x
The answer is either 20 or 12