In the probability table below, which value is a marginal probability? ?? $$\begin{array} { | l | l | l | c | }
\hline & { \text { Completed } } \
\hline \text { Obstacle Course Level } & \text { No } & \text { Yes } & \text { Total } \
\hline \text { Challenging } & 0.4 & 0.3 & 0.7 \
\hline \text { Easy } & 0.1 & 0.2 & 0.3 \
\hline \text { Total } & 0.5 & 0.5 & 1 \
\hline
\end{array}$$
A)0.1
B)1
C)0.5
D)0.4

Question

In the probability table below, which value is a marginal probability? ?? $$\begin{array} { | l | l | l | c | } 
\hline &  { \text { Completed } } \
\hline \text { Obstacle Course Level } & \text { No } & \text { Yes } & \text { Total } \
\hline \text { Challenging } & 0.4 & 0.3 & 0.7 \
\hline \text { Easy } & 0.1 & 0.2 & 0.3 \
\hline \text { Total } & 0.5 & 0.5 & 1 \
\hline
\end{array}$$
A)0.1
B)1
C)0.5
D)0.4

Quizplus · Accepted Answer

The marginal probability is the probability of an event occurring, regardless of any other events. In this case, the marginal probability of completing the obstacle course is 0.5, which is the sum of the probabilities of completing the course at each level.

In the Probability Table Below, Which Value Is a Marginal