A random sample of η=256 is drawn from a population with a known standard deviation of σ=3.0 . The sample mean is ϰ¯=

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answerhappygod
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A random sample of η=256 is drawn from a population with a known standard deviation of σ=3.0 . The sample mean is ϰ¯=

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A random sample of η=256 is drawn from apopulation with a known standard deviation of σ=3.0 . Thesample mean is ϰ¯=47.9 . What is the 95% confidenceinterval for the population mean?
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