The American Veterinary Medical Association conducted a survey of veterinary clinics to estimate the proportion that do not treat large animals (cows, horses, etc.). The survey was mailed to 120 randomly selected veterinary clinics throughout the country, and, 88 responded they do not treat large animals. The 95% confidence interval for the proportion of veterinary clinics that do treat large animals is:. Give your answer using 'Margin of Error' (plus or minus) notation with the decimals rounded to the third decimal place. a. would be wider. b. could be wider or narrower.
c. would be the same length.
d. would be narrower.