Question: Please provide step by step details explaining how you arrived at the answer to help my practice. Thanks. Question With 80% confidence, for sample proportion

Please provide step by step details explaining how you arrived at the answer to help my practice. Thanks.

Question

With 80% confidence, for sample proportion 0.58 and sample size 22, what is the upper confidence limit with 2 decimal places?

(Note: What is the critical value for 80% confidence level?)

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