Mathematics, 29.04.2021 16:40 Kelshonti15
A headphone manufacturer wants to ensure that their headphones achieve their rated impedance of 96chms, because they want to test compliance as efficiently as possible. A prior study for the same type of manufactured headphones gives the standard deviation as 4chms. Find the minimum sample size to have a margin of error less than one and a 95% confidence interval.
Answers: 1
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A headphone manufacturer wants to ensure that their headphones achieve their rated impedance of 96ch...
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