In the year 2010, a study examining lung cancer was started with 7000 people. At the start of the study, there were already 382 people who were diagnosed with lung cancer. Please round answers to 2 decimal places.

1. What was the count of lung cancer at the start of the study? Correct
2. What was the prevalence of lung cancer at the start of the study per 1,000 people? Correct
3. The following year (2011) there were a total of 723 cases of lung cancer. What is the prevalence of lung cancer in 2011 per 1,000 people? Correct
4. How many incident (new) cases of lung cases occured from 2010 to 2011? Correct
5. What is the incidence proportion (also called cumulative incidence or risk) of lung cancer from 2010 to 2011 per 1,000 people?