I have a question about something that is asked. I've read to make a table of this by using a very large number (like 100.000), but I actually don't know where to start.
Suppose that there was a cancer diagnostic test that was 95% accurate both on those that do and those that do not have the disease. If 0.4% of the population has cancer, compute the probability that a tested person has cancer, given that his or her test result indicates so
Can someone please give me some directions? I want to understand what they mean...
What I had was that 400 people have a disease, given the fact that a test would be 100% accurate. Because it is 95%, I have "people with a disease" is 280... I mean, am I going the right direction with this?
If someone can show me how to calculate and put it in a table, I would be grateful.