Question

What are the possible outcomes when the coin tossed 20 times?

Answer 1

`n` times heads and `20-n` times tails (for `20>=n>=0`)

Explanation:

Well it could be...
...`0` times heads and `20` times tails
...`1` time head and `19` times tails
...`2` times heads and `18` times tails
...
...`20` times heads and `0` times tails