sampling error =

Just like the sample mean x, the sample proportion is a random variable. Hence, it possesses a probability distribution, which is called its …. distribution.

The mean of the sample proportion, p̂. is denoted by μp̂ and is …. the population proportion, p

The sample proportion, p̂is called an ….. of the population proportion, p.

p̂ is … estimator of p (جت في الامتحان )

The standard deviation of the sample proportion, p̂, is denoted by σ, and is given by the formula