# statistics

Assume that the population proportion is .55. Compute the standard error of the proportion, ( ), for sample sizes of 100, 200, 500, and 1000 (to 4 decimals).

a. 100?
b. 200?
c. 500?
d. 1000?

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1. Standard error of the proportion is:

√(pq/n)

p = .55
q = 1-p = .45
n = sample size

I'll let you take it from here.

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