Assume That a Sample Is Used to Estimate a Population

Multiple Choice

Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the
given statistics and confidence level. Round the margin of error to four decimal places.
-95% confidence; n = 380, x = 50

A) 0.0306
B) 0.0408
C) 0.0340
D) 0.0357