You have two groups of people: 50 people who live in the city and 46 people who live in the country. You are studying rates of fentanyl addiction and find that 9 people in your city group are addicted and 5 people in your country group are addicted.
(a) According to your sample, what are the odds of a person in the city group being addicted? Enter your answer as a number rather than a ratio (e.g.
is entered as
or as a decimal). When using decimals, give at least three digits after the decimal point.
Answer:
(b) What is the odds ratio (OR) that compares addiction odds (based on our sample) between the city and country groups?
Answer: