we have a total of 10 choices,
while we need SRS of size 2 only,
We know that,
A combination helps us to determine the number of possible arrangements that can be made through a set of data provided where the order of the selection does not matter.
where,
n is the number of choices,
r is the number of selection.
All 10 possible SRSs of size n = 2, are:
1. Abigail & Bobby
2. Abigail & Carlos
3. Abigail & DeAnna
4. Abigail & Emily
5. Bobby & Carlos
6. Bobby & DeAnna
7. Bobby & Emily
8. Carlos & DeAnna
9. Carlos & Emily
10. DeAnna & Emily
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