00:02
So here giving a survey of 75 native american families.
00:18
We participated in these reunies and all over the short waste answer.
00:28
Bawa rhin, arizona.
00:31
It's given.
00:33
In data, there is 15 families brought.
00:36
It is denude families who brought food as f.
00:40
Families we brought costumes as c .o.
00:52
And families who brought crafts as c r.
00:58
That is food, costumes and craft.
01:10
So given 15 families brought food, costumes and craft.
01:20
It is enough.
01:23
F, c .o, it is section.
01:28
C .r.
01:29
This 18, 15.
01:31
15.
01:32
So this set is going to be 15.
01:36
And total number of families we participated is 75.
01:46
And 15 families brought food and crafts.
01:55
35 families brought food and craft, food and graft.
02:04
42 families brought food.
02:12
35 families brought food.
02:13
35 families brought crafts.
02:22
14 families brought graphs but not costumes.
02:31
Both gas but not costumes which is co complete.
02:39
It's going to be 14.
02:44
10 families brought none of the three atoms.
02:50
So any of else complement intersection cr complement.
02:57
Intersection co complement is equal to them...