In the probability table below, which value is a marginal probability?
Completed
Obstacle Course Level
No
Yes
Total
Challenging
0)4
0)3
0)7
Easy
0)1
0)2
0)3
Total
0)5
0)5
1)0
A)0.1
B)1.0
C)0.5
D)0.4

Question

In the probability table below, which value is a marginal probability? ​
Completed
Obstacle Course Level
No
Yes
Total
Challenging
0)4
0)3
0)7
Easy
0)1
0)2
0)3
Total
0)5
0)5
1)0
A)0.1
B)1.0
C)0.5
D)0.4

Quizplus · Accepted Answer

Marginal probability refers to the probability of a single event occurring, without consideration of any other events. In the table, 0.5 (or 5 out of 10) represents the marginal probability of completing the obstacle course (Yes) or not completing it (No), as it is the total probability of each outcome divided by the total number of attempts.

In the Probability Table Below, Which Value Is a Marginal