State which of the following are not the probability distributions of a random variable. Give reasons for your answer.

Y

-1

0

1

P(Y)

0.6

0.1

0.2

Question

State which of the following are not the probability distributions of a random variable. Give reasons for your answer. Y -1 0 1 P(Y) 0.6 0.1 0.2

Philoid · Accepted Answer

Given: A given table with values for X and P(X).

As we know the sum of all the probabilities in a probability distribution of a random variable must be one.

Hence the sum of probabilities of given table = 0.6 + 0.1 + 0.2

= 0.9 ≠ 1

Hence, the given table is not the probability distributions of a random variable.

State which of the following are not the probability distributions of a random variable. Give reasons for your answer.Y-101P(Y)0.60.10.2