3.The following data represents the number of families ABCD and the houses EF they purchased in thousands of dollars

FAMILY

E

F

TOTALS

A

17

12

29

B

23

22

45

C

17

21

38

D

11

5

16

TOTAL

68

60

128

Find these probabilities:

a,P(A/F) b, P(A or F),c, P(A and F) d,P(F/A) e,P(F or E