A Random Sample of 360 Medical Doctors Showed That 106

A random sample of 360 medical doctors showed that 106 had a solo practice. As a news writer, how would you report the survey results regarding the percentage of medical doctors in solo practice? What is the margin of error based on a 95% confidence interval?

A) A recent study shows that about 71% of medical doctors have a solo practice with a margin of error of 2.4 percentage points.
B) A recent study shows that about 29% of medical doctors have a solo practice with a margin of error of 9.4 percentage points.
C) A recent study shows that about 71% of medical doctors have a solo practice with a margin of error of 9.4 percentage points.
D) A recent study shows that about 71% of medical doctors have a solo practice with a margin of error of 4.7 percentage points.
E) A recent study shows that about 29% of medical doctors have a solo practice with a margin of error of 4.7 percentage points.