From the following tree, find the probability that a randomly chosen person will get the flu vaccine and will also get the flu.
A).10
B).07
C).19
D).70

Question

From the following tree, find the probability that a randomly chosen person will get the flu vaccine and will also get the flu. 
A).10 
B).07 
C).19 
D).70

Quizplus · Accepted Answer

Looking at the tree diagram, we can see that there are 100 total outcomes. Out of those 100, there are only 7 where a person gets both the flu vaccine and the flu. Therefore, the probability of a randomly chosen person getting the flu vaccine and the flu is 7/100, which simplifies to 0.07 or 7%. So, the best choice is B.

From the Following Tree, Find the Probability That a Randomly