Given a population where the proportion of items with a desired attribute is p = 0.25, if a sample of 400 is taken, what is the standard deviation of the sampling distribution of ?
A) 0.0512
B) 0.0312
C) 0.0217
D) 0.0412

Question

Quizplus · Accepted Answer

The standard deviation of the sampling distribution of the sample proportion is calculated using the formula: sqrt(p(1-p)/n), where p = 0.25 and n = 400. This gives sqrt(0.25*0.75/400) = 0.0217.

Given a Population Where the Proportion of Items with a Desired