P(An B)
P(AB) =
P(B)
Freshmen
Sophomores
Juniors
Seniors
Boys
1
4.
2
Girls
7
9
6
5
?
P(Girl|Sophomore)
=
Enter
![PAn B PAB PB Freshmen Sophomores Juniors Seniors Boys 1 4 2 Girls 7 9 6 5 PGirlSophomore Enter class=](https://us-static.z-dn.net/files/d76/e72763e6c87776d9a64e3a1949dd0428.png)