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Mathematics, 20.07.2019 02:20 kaytlynnmeyer

Refer to the accompanying ti-83/84 plus calculator display of a 95% confidence interval. the sample display results from using a simple random sample of the amounts of tar (in milligrams) in cigarettes that are all king size, nonfiltered, nonmenthol, and non-light. express the confidence interval in the format of mean + or - e.
zinterval
(23.305,25.075)
mean=23.69
n = 30
the confidence interval is +

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