A market research team compiled the following discrete probability distribution.In this distribution, x represents the number of automobiles owned by a family. $$\begin{array} { | c | c | }
\hline x & P ( x ) \
\hline 0 & 0.10 \
\hline 1 & 0.10 \
\hline 2 & 0.50 \
\hline 3 & 0.30 \
\hline
\end{array}$$ Which of the following statements is true?
A)This distribution is skewed to the right.
B)This is a binomial distribution.
C)This is a normal distribution.
D)This distribution is skewed to the left.
E)This distribution is bimodal.

Question

A market research team compiled the following discrete probability distribution.In this distribution, x represents the number of automobiles owned by a family. $$\begin{array} { | c | c | } 
\hline x & P ( x ) \
\hline 0 & 0.10 \
\hline 1 & 0.10 \
\hline 2 & 0.50 \
\hline 3 & 0.30 \
\hline
\end{array}$$ Which of the following statements is true?
A)This distribution is skewed to the right.
B)This is a binomial distribution.
C)This is a normal distribution.
D)This distribution is skewed to the left.
E)This distribution is bimodal.

Quizplus · Accepted Answer

The distribution is skewed to the left because the majority of the probability mass is concentrated on the higher values of x (2 and 3).

A Market Research Team Compiled the Following Discrete Probability Distribution xP(x)00.1010.1020.5030.30\begin{array} { | c | c | } \hline x & P ( x ) \\\hline 0 & 0.10 \\\hline 1 & 0.10 \\\hline 2 & 0.50 \\\hline 3 & 0.30 \\\hline\end{array}x0123​P(x)0.100.100.500.30​​

A Market Research Team Compiled the Following Discrete Probability Distribution $\begin{array} { | c | c | } \hline x & P ( x ) \\\hline 0 & 0.10 \\\hline 1 & 0.10 \\\hline 2 & 0.50 \\\hline 3 & 0.30 \\\hline\end{array}$