Given the contingency table shown here,find the probability P(V´),that is,the probability of the complement of V.
A)0.30
B)0.50
C)0.80
D)0.15

Question

Given the contingency table shown here,find the probability P(V´),that is,the probability of the complement of V. 
A)0.30 
B)0.50 
C)0.80 
D)0.15

Quizplus · Accepted Answer

To find the probability of the complement of V, we need to add the values in the row for Category 2 and take the complement of that total. 
So, P(V') = 1 - (0.05 + 0.10 + 0.05) = 0.80. 
Therefore, the best choice is C.

Given the Contingency Table Shown Here,find the Probability P(V´),that Is,the