Assume We Know That 20% of Americans Suffer from a Certain

Multiple Choice

Assume we know that 20% of Americans suffer from a certain type of allergy. Suppose we take a random sample of 8000 Americans and record the percentage who suffer from this allergy. What guarantees that percentages from such a survey will be normally distributed?

A) The law of large numbers
B) The general survey theorem
C) The central limit theorem
D) The law of survey