SOLUTION: If the standard error of the sampling distribution of the sample proportion is .0337 for samples of size 200, then the population proportion must be: ( A) 0.25 B

Question 161795: If the standard error of the sampling distribution of the sample proportion is .0337 for samples of size 200, then the population proportion must be: (
A) 0.25
B) 0.75
C) 0.20 or 0.80
D) 0.35 or 0.65

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The formula for standard error is,
,
where p is the population proportion and n is sample size.

Use the quadratic formula,

.
.
.

.
.
.
The answer is D) 0.35 or 0.65.

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