LBCC
posted by Lynn on .
An apartment building has the following apartments:
2 bdrm 3 bdrm 4 bdrm
1st floor 7 3 4
2nd floor 9 0 11
3rd floor 8 4 7
If an apartment is selected at random, what is the probability that it is a 2 bedroom apartment on the 3rd floor?

7/(grand total) = ?