The following distribution is not a probability distribution because X 0 1 2 P(X
ID: 3264226 • Letter: T
Question
The following distribution is not a probability distribution because
X
0
1
2
P(X)
0.20
0.17
–0.19
0.52
0.30
A)
values of the variable are negative.
B)
a probability is negative.
C)
the probability values do not add to 1.
D)
the probability values are not discrete.
The following distribution is not a probability distribution because
X
2
1
0
1
2
P(X)
0.20
0.17
–0.19
0.52
0.30
A)
values of the variable are negative.
B)
a probability is negative.
C)
the probability values do not add to 1.
D)
the probability values are not discrete.
Explanation / Answer
p(X) should be equal to 1
To be a probability distribution, but 0.20+0.17+(-0.19)+0.52+0.30 = 1
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