Probability

Question 10 (2 points) Disease surveillance can be active or passive a) True ( b) False Question 11 (2 points) The numerator of an incidence rate includes: a) All cases of a disease occurring in the population during a specified period of time b) People at risk of a disease in the population during a specified period of time (c) New cases of a disease occurring in the population during a specified period of time ( d) All observed cases of a disease in the population during a specified period of time Question 12 (2 points) A study was conducted to determine whether there is an association between drinking alcohol and liver cancer. Alcohol drinkers and non-drinkers were selected and followed for 25 years. Among the drinkers, 175 developed liver cancer and 400 did not. Of the 600 non-drinkers, 45 developed liver cancer. What was the incidence of liver cancer among the alcohol drinkers? O e Prison Home End egulp 9