A Survey of Food Allergies in a Simple Random Sample

Multiple Choice

A survey of food allergies in a simple random sample of 184 young children found that 13 had some kind of food allergy. What is the margin of error for a plus four 95% confidence interval for the true population proportion of young children who have a food allergy?

A) 0.0311
B) 0.0325
C) 0.0370
D) 0.0387