Question

Of  1936 people who came into a blood bank to give blood,  200 people had high blood pressure. Estimate the probability that the next person who comes in to give blood will have high blood pressure

Answer 1

P= 200/1936
Simplify :D

Answer 2

Smells like gambler's fallacy, but probably the only way to answer the question.

Answer 3

if I simplify I come up with 0.103

Answer 4

Round that off to a nice-sounding percentage.