Question 1139247
-------------Math History English total
Live on campus 130 112---- 88-----330 
Not on campus --77 43 -----50 ----170
Total----------207--155---138-----500

a. Not on campus AND taking history is 43/500 or 8.6%
b. Not on campus (170) and take math (207) -both (double counting) 77=300/500 or 60%
c. Taking math (207) and live on campus (130) so that probability is 130/207 or 62.8%