A simple random sample of size n=400 individuals who are currently employed is asked if they work at home at least once

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A simple random sample of size n=400 individuals who
are currently employed is asked if they work at home at least once
per week. Of the 400 employed
individuals​ surveyed, 41 responded that they did
work at home at least once per week. Construct a​ 99%
confidence interval for the population proportion of employed
individuals who work at home at least once per week.
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Part 1
The lower bound is
enter your response here.
​(Round to three decimal places as​ needed.)
Part 2
The upper bound is
enter your response here.
​(Round to three decimal places as​ needed.)