two answers at the bottom for the 95% specifically

At issue is the proportion of people in a particular country who do not have health care insurance coverage. A simple random sample of

400

people was asked if they have insurance coverage, and

80

replied that they did not have coverage. Based on these sampledata, determine the

95%

confidence interval estimate for the population proportion.

The confidence interval is

p

(Round to three decimal places as needed.)