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[Steps Shown] Determine the critical region and critical values for z that would be used to test the null hypothesis at the given level of significance,

Question: Determine the critical region and critical values for z that would be used to test the null hypothesis at the given level of significance, as described in each of the following:

  1. H 0 : \(\mu \) = 25 and H a: \(\mu \ne \) 25, a = 0.10
  2. H 0 : \(\mu \le \) 32 and H a: \(\mu \) > 32, a = 0.01
  3. H 0 : \(\mu \ge \) 13 and H a: \(\mu \) < 13, a = 0.05

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