1) Delts & Gamma
2)Alpha & Beta
3) (45+25+75+85+65)/5 ===>Average =59
4) 65-25 40
5) Gamma, Delta, Epsilon
Now second problem:
6) 15% chose Ham
7) Veggies = 1%, so (15%-1%) more Ham than veggies
8) Choose peperoni 30% since half are females then 15% were female
9) Meat lover =25%, if 1/4 were female, then the number of fem =25%/4=6.25%
10) Cannot answer