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Test Hypotheses About a Population Mean with Known Using the Classical

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Test Hypotheses about a Population Mean with Known Using the Classical Approach
-You wish to test the claim that μ47\mu \neq 47 at a level of significance of α=0.01\alpha = 0.01 and are given sample statistics n=40n = 40 , xˉ=48.8\bar { x } = 48.8 , and σ=4.3\sigma = 4.3 . Compute the value of the test statistic. Round your answer to two decimal places.


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