Simple random sampling has been used to obtain a sample of size 60 from a population of size 500. The sample proportion was 0.7. The estimate of the standard error of proportion is
A) 0.210
B) 0.068
C) 0.300
D) 0.056

Question

Quizplus · Accepted Answer

The standard error of the sample proportion is calculated using the formula: SE = sqrt[(p(1-p))/n], where p is the sample proportion and n is the sample size. Here, SE = sqrt[(0.7(1-0.7))/60] = 0.056.

Simple Random Sampling Has Been Used to Obtain a Sample