If we toss two coins is impossible to get 3 heads (we can get between 0 and 2). So the correct option is D.
For two tossed coins, the possible outcomes are:
So there are 4 possible outcomes.
Then the value of the random variable for the number of heads that is not possible, is the one in option D, 3.
If we toss two coins is impossible to get 3 heads (we can get between 0 and 2).
If you want to learn more about outcomes, you can read:
https://brainly.com/question/2264527