Identify Discrete Probability Distributions
-Given the Table of Probabilities for the Random

Multiple Choice

Identify Discrete Probability Distributions
-Given the table of probabilities for the random variable $x$ , does this form a probability distribution? Answer Yes or No.
$\begin{array}{|c|c|c|c|c|}\hline x & 5 & 10 & 15 & 20 \\\hline P(x) & 0.10 & -0.30 & 0.50 & 0.70 \\\hline\end{array}$

A) $\mathrm { No }$
B) Yes