a-population-has-p-03-if-a-random-sample-of-n-40-is-taken-what-is-the-mean-and-s

Question

A population has p = 0.3. If a random sample of n = 40 is taken, what is the mean and standard deviation of the sampling distribution of p̂?

Accepted Answer

Mean = 0.3, Standard deviation ≈ 0.0724

Answer

Mean = 0.21, Standard deviation ≈ 0.0724

Answer

Mean = 0.7, Standard deviation ≈ 0.0724

Answer

Mean = 0.3, Standard deviation ≈ 0.0458