A hypothesis will be used to test that a population mean equals 7 against the
Chapter 9, Problem 9-30(choose chapter or problem)
A hypothesis will be used to test that a population mean equals 7 against the alternative that the population mean does not equal 7 with known variance . What are the critical values for the test statistic Z0 for the following significance levels? (a) 0.01 (b) 0.05 (c)
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