A Simple Random Sample of 120 Vet Clinics in the Midwest

Multiple Choice

A simple random sample of 120 vet clinics in the Midwest reveals that the vast majority of clinics only treat small pets (dogs,cats,rabbits,etc. ) and not large animals (cows,horses,etc. ) .Of the 120 clinics sampled,88 responded that they do not treat large animals at their clinic.What is a 90% confidence interval for p,the population proportion of vet clinics that do treat large animals?

A) (0.163,0.371)
B) (0.188,0.346)
C) (0.200,0.333)
D) (0.667,0.800)