Overlapping Sets Flashcards
Total Number of Unique Elements
Number A only + Number B only + Number Both + Number of Neither
Total Number of Unique Elements
Number of A + Number of B- Number of both+Number of neither
Overlapping set with a percentage
We can assume that there are 100 items in the set to we can assume that the variable to represent the total number of items in the set
When the total number of items in the set are not specified
we can assume that the items are n or there are LCM
(A or B)
A + #B - #(A and B)
Maximum or minimum
test for extreme values
- higest possible value that could exist or the lowest possible value that could exist in the context
Whenever there is a overlap (3 sets)
the sum of the members of the Group A, Group B, Group C overcounts the acutal of memebrs in the problems
Total Number of Members in Exactly One Group
in A only + #in B only + #in C only
Total Number of Members in Exactly Three Group
in (A and B and C) only
Total number of members that belongs to exactly two groups
(A and B) only + # (A and C) only + # (B and C) only
Number in (B and C) only
(Band C) - # (A and B and C)
Total # of unique members
#[A only +B only +C only] + # [(A and B) only + (A and C) only + (B and C) only] + [(A and B and C)] +# [Neither A nor B not C]
Total # of Unique Elements
in (Group A) + # in (Group B) + # in (Group C) - # IN (Groups of Exactly Two)- 2[# in (Groups of Exactly Three)] + in (Neither)
All the parts have neither elements
unless specified
