The Difference Between Precision and Recall

It's all math at the end of the day, math math math. The equation is this is the difference between position and recall. It's easy to say I won't buy but if you are building a product... Let's now take this example and put it into real world. Look at this table. Cancer detection. They take a test. Ten people they say tested positive. But it misses ten. Would you buy that machine? Or it tells there's a likely probability you have a cancer and later the test goes and it tells you no.