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Mathematics, 03.12.2019 05:50

Aquality control inspector will measure the salt content (in milligrams) in a random sample of bags of potato chips from an hour of production.

which of the following would result in the smallest margin of error in estimating the population mean salt content?

a) 90% confidence; n = 30

b) 90% confidence; n = 60

c) 95% confidence; n = 30

d) 95% confidence; n=60

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