there are 2^3 = 8 subsets of S.
see where that takes you.
Let S={1,2,3} be a sample space
How many subsets of S contain the number 3?
How many subsets of S contain either the number 2 or 3?
1 answer
How many subsets of S contain the number 3?
How many subsets of S contain either the number 2 or 3?
1 answer