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¯=
Posted: Sun Jul 10, 2022 10:12 am
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?