Answer:
≈ 17.15%
Explanation:
This probability (experimental) relies on previous facts.
We know that 340 out of 1982 people had high blood pressure. In percentage:
%
So the probability that the next person who comes in to give blood will have high blood pressure is same as the experimental probability that we found. So it is:
About 17.15% (rounded to 2 decimal places)