The following distribution is not a probability distribution because
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.

Question

The following distribution is not a probability distribution because 
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.

Quizplus · Accepted Answer

For a distribution to be a probability distribution, the sum of all the probability values must be equal to 1. Since this distribution does not satisfy this criteria, it cannot be a probability distribution.

The Following Distribution Is Not a Probability Distribution Because