Standard Error of a Sample Proportion

Question

For a simple random sample of size $$n$$ from a population with a true proportion $$p$$, what is the formula for the standard error of the sample proportion, $$\hat{p}$$?

Accepted Answer

$$\sqrt{\frac{p(1-p)}{n}}$$

Answer

None of the above formulas correctly represents the standard error of a sample proportion.

Answer

$$\sqrt{\frac{n(p)(1-p)}{p}}$$

Answer

$$\frac{p(1-p)}{n}$$

Rank	User	Correct Count	Attempt Count	Total Time	Score
#1	omolanthony28	1	1	0m 09s	91
#2	michellerar23	1	1	0m 18s	82
#3	seowooj1	1	1	0m 24s	76
#4	reinaokada1	1	2	0m 47s	43

Standard Error of a Sample Proportion

Question Leaderboard