Question: help Find the critical values x 1 -/2 and x /2 for a 80% confidence level and a sample size of n = 20. X-

help Find the critical values x 1 -/2 and x /2

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Find the critical values x 1 -/2 and x /2 for a 80% confidence level and a sample size of n = 20. X- 1 - a /2 (Round to three decimal places as needed.)

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