A sample of 2,000 people yielded $\hat { p }$
= )52.What is the variance of the population proportion?
A).0056
B).0112
C).00012
D).0161

Question

Quizplus · Accepted Answer

The variance of the sample proportion $\hat{p}$ is calculated using the formula $\frac{\hat{p}(1-\hat{p})}{n}$. Here, $\hat{p} = 0.52$ and $n = 2000$. So, the variance is $\frac{0.52 \times 0.48}{2000} = 0.0001248$, which is approximately 0.00012.

A Sample of 2,000 People Yielded p^\hat { p }p^​ = )52What Is the Variance of the Population Proportion? A)

A Sample of 2,000 People Yielded $\hat { p }$ = )52What Is the Variance of the Population Proportion?
A)