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Find the critical values x21-a/2 and xa/2 for a 90% confidence level and a sample size of n = 30. x1-a/2= (Round to three

  

Find the critical values x21-a/2 and xa/2 for a 90% confidence level and a sample size of n = 30. x1-a/2= (Round to three decimal places as needed.) xa/2 = (Round to three decimal places as needed.)

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