Answer:
[tex]1.\ \ p(x)\geq0 & \text{ for all values of x.}\\\ 2.\ \sum\ p(x)=1[/tex]
Step-by-step explanation:
There are two requirements for a discrete probability distribution that must be satisfied as :-
1. Each probability must be greater than equals to zero.
2. Sum of all probabilities should be equals to 1.
The above conditions are also can be written as :
[tex]1.\ \ p(x)\geq0 & \text{ for all values of x.}\\\ 2.\ \sum\ p(x)=1[/tex]
