SOLUTION: Not really sure where to start on this problem. Any help you can give me would be greatly appreciated. Determine whether the distribution is a discrete probability distribution?

Question 758924: Not really sure where to start on this problem. Any help you can give me would be greatly appreciated.
Determine whether the distribution is a discrete probability distribution?
x,P(x)
0,0.21
1,0.28
2,0.02
3,0.28
4,0.21
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
Q:
Not really sure where to start on this problem. Any help you can give me would be greatly appreciated.
Determine whether the distribution is a discrete probability distribution?
x,P(x)
0,0.21
1,0.28
2,0.02
3,0.28
4,0.21
-------------------------------------------------------------
A:
, the distribution is a discrete probability distribution
because = 0.21 + 0.28 + 0.02 + 0.28 + 0.21 = .
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