When assigning symbols to statistics and parameters, which of A–H is correct? (Choose all that are correct.) 

A. p is the sample proportion, π is the population proportion. 

B. x is the sample proportion, μ is the population proportion. 

C. p is the sample mean, π is the population mean. 

D. x is the sample mean, μ is the population mean. 

E. x is the sample proportion, p is the population proportion. 

F. π is the sample proportion, and μ is the population proportion. 

G. x is the sample mean, π is the population mean. 

H. p is the sample mean, μ is the population mean.