Two coins are tossed simultaneously. Write the sample space S and the number of sample points n(S).

Explanation

To solve the problem of finding the sample space and the number of sample points when two coins are tossed simultaneously, we can follow these steps:

### Step 1: Identify the outcomes for a single coin toss
When a single coin is tossed, there are two possible outcomes:
- Heads (H)
- Tails (T)