Question

Of the 400 doctors who attended a conference, 240 practiced family medicine and 130 were from countries outside the united states..one-third of the family medics practitioners were not from the united states.

what is the probability that a doctor practices family medicine or is from the united states

Answer 1

It's 7/8 and I'm supposed to write 20 characters to explain it so im just telling you, so you don't have to keep reading this because 7/8 is correct