Question 457091
The following distribution is NOT a probability distribution because

X -2 -1 0 1 2 
P(X) 0.13 0.19 0.42 0.16 0.27
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Ans: C
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Cheers,
Stan H.
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A)
the values of the variable are negative.
B)
the probability values are not increasing.
C)
the probability values do not add to 1.
D)
the probability values are not discrete.