A ticket is selected at random from a hat containing 1 blue ,2 red and 1 green ticket.the sample space?

The sample space is the set of all possible outcomes when selecting a ticket from the hat. In this case, the sample space consists of the following outcomes:

{blue, red1, red2, green}

The sample space is the set of all possible outcomes of the experiment. In this case, the experiment is selecting a ticket at random from a hat containing 1 blue, 2 red, and 1 green ticket. The possible outcomes are:

- Blue
- Red
- Red
- Green

Therefore, the sample space is:

```
S = {Blue, Red, Red, Green}
```