check whether the following can be probability function for discrete variable f₁(x)=2/3, x=-2 1/3, x=5...

check whether the following can be probability function for discrete variable
f₁(x)=2/3, x=-2
1/3, x=5
0, elsewhere

f₂(x)=3/4, x=-3
2/4, x=0
-1/4, x=2
0, elsewhere
(x) = 3/5, x=0
3/5, x=1
0, elsewhere?

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Asked by Abdoul on 9th November, 2023

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