Calculate the mean for the discrete probability distribution shown here. $$\begin{array} { l | c c c c }
X & 3 & 4 & 8 & 11 \
\hline P ( X ) & 0.26 & 0.1 & 0.06 & 0.58
\end{array}$$
A) 26
B) 8.04
C) 6.5
D) 2.01

Question

Calculate the mean for the discrete probability distribution shown here. $$\begin{array} { l | c c c c } 
X & 3 & 4 & 8 & 11 \
\hline P ( X ) & 0.26 & 0.1 & 0.06 & 0.58
\end{array}$$
A) 26
B) 8.04
C) 6.5
D) 2.01

Quizplus · Accepted Answer

The mean of a discrete probability distribution is calculated by multiplying each value of X by its corresponding probability and summing the results: (3 * 0.26) + (4 * 0.1) + (8 * 0.06) + (11 * 0.58) = 0.78 + 0.4 + 0.48 + 6.38 = 8.04.

Calculate the Mean for the Discrete Probability Distribution Shown Here X34811P(X)0.260.10.060.58\begin{array} { l | c c c c } X & 3 & 4 & 8 & 11 \\\hline P ( X ) & 0.26 & 0.1 & 0.06 & 0.58\end{array}XP(X)​30.26​40.1​80.06​110.58​​

Calculate the Mean for the Discrete Probability Distribution Shown Here $\begin{array} { l | c c c c } X & 3 & 4 & 8 & 11 \\\hline P ( X ) & 0.26 & 0.1 & 0.06 & 0.58\end{array}$