A poll was conducted among 250 residents of a certain city regarding tougher gun-control laws. The results of the poll are shown in the table. If one of the participants in this poll is selected at random, what is the probability that he or she favors tougher gun-control laws?

Question

A poll was conducted among 250 residents of a certain city regarding tougher gun-control laws. The results of the poll are shown in the table.  If one of the participants in this poll is selected at random, what is the probability that he or she favors tougher gun-control laws?

Quizplus · Accepted Answer

To find the probability of a participant favoring tougher gun-control laws, we need to add up the number of participants in the "Yes" and "Uncertain" categories and divide by the total number of participants:
P(favors tougher gun-control laws) = (90 + 70)/250 = 0.628
Therefore, the answer is E.

A Poll Was Conducted Among 250 Residents of a Certain