A hypothesis will be used to test that a population mean equals 5 against the alternative that the population mean is less than 5 with known variance What is the critical value for the test statistic Z 0 for the following significance levels (a) 0 01 (b) 0 05 (c) 0 10

Question: A hypothesis will be used to test that a population mean equals 5 against the alternative that the population mean is less than 5 with

A hypothesis will be used to test that a population mean equals 5 against the alternative that the population mean is less than 5 with known variance σ. What is the critical value for the test statistic Z₀ for the following significance levels?

(a) 0.01

(b) 0.05

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