Which table is a probability distribution table?
A. X Yellow Blue Green Purple
P 0.5 0.4 0.2 -0.1

B. X Yellow Blue Green Purple
P 0 -1 1 0

C. X Yellow Blue Green Purple
P 0.11 0.05 -0.49 0.35

D. X Yellow Blue Green Purple
P 0.11 0.05 0.49 0.35

Question

Which table is a probability distribution table? 
A. X   Yellow   Blue  Green  Purple
     P    0.5        0.4    0.2      -0.1

B. X   Yellow   Blue  Green  Purple
     P      0           -1     1          0

C. X   Yellow   Blue  Green  Purple
    P    0.11      0.05   -0.49    0.35

D. X   Yellow   Blue  Green  Purple
    P    0.11     0.05    0.49      0.35

anonymous · Answer

the one with no negative numbers and they add to 1

anonymous · Answer

It saays one point, is this a test?

anonymous · Answer

says*

anonymous · Answer

actually only one has all positive entries. so you don't even need to add

anonymous · Answer

Thanks!