Mathematics, 03.08.2020 14:01 hannahpalacios101

sample of 64 observations is selected from a normal population. The sample mean is 215, and the population standard deviation is 15. Conduct the following test of hypothesis using the 0.025 significance level. H0: μ ≥ 220 H1: μ < 220 Is this a one- or two-tailed test? One-tailed test Two-tailed test

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sample of 64 observations is selected from a normal population. The sample mean is 215, and the popu...

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