Answer
$\frac{1}{2}, \frac{3}{4},\frac{2}{3}, 0$.
Work Step by Step
By definition the probability of an event can be in the range of $[0,1]$, thus the possible probabilities are $\frac{1}{2}, \frac{3}{4},\frac{2}{3}, 0$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.