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Assume that a random sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics

Assume that a random sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level.

n = 550, x= 275, 90 % confidence

The margin of error E=

The margin of error Eequals=nothing. (Round to four decimal places asneeded.)

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