A Sample of 25 Observations Is Taken to Estimate a Population

Multiple Choice

A sample of 25 observations is taken to estimate a population proportion π.The sampling distribution of sample proportion p is

A) not normal since n < 30.
B) approximately normal because p is always normally distributed.
C) approximately normal if nπ ≥ 5 and n(1-π) ≥ 5.
D) approximately normal if π approaches 0.50.