Which of the following is always true for all probability density functions of continuous random variables? $\begin{array}{|l|l|}
\hline A&\text {They are symmetrical. }\
\hline B&\text { They are bell-shaped.}\
\hline C&\text {The area under the curve is 1.0 . }\
\hline D&\text {They have the same height. }\
\hline
\end{array}$

Question

Which of the following is always true for all probability density functions of continuous random variables? $\begin{array}{|l|l|}
\hline  A&\text {They are symmetrical. }\
\hline  B&\text { They are bell-shaped.}\
\hline  C&\text {The area under the curve is 1.0 . }\
\hline  D&\text {They have the same height. }\
\hline 
\end{array}$

Quizplus · Accepted Answer

The Answer of Which of the following is always true for all probability density functions of continuous random variables? $\begin{array}{|l|l|}
\hline  A&\text {They are symmetrical. }\
\hline  B&\text { They are bell-shaped.}\
\hline  C&\text {The area under the curve is 1.0 . }\
\hline  D&\text {They have the same height. }\
\hline 
\end{array}$

Which of the Following Is Always True for All Probability