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Mathematics, 05.10.2019 12:30 itsdeevv
Among 420 randomly selected employees at a company, the mean number of hours of overtime worked per month is 10 hours and the standard deviation is 1.6. what is the margin of error, assuming a 99% confidence level?
a. 4.12
b. 0.01
c. 0.20
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Answers: 1
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