Construct a 95% confidence interval for the population mean length of engineering conferences. (i) State the confidence interval. (Round your answers to two decimal places.) ( , ) (ii) Sketch the graph. (Round your answers to two decimal places. Enter your ?/2 to three decimal places.) ?/2 = C.L. = ?/2 = X? (iii) Calculate the error bound. (Round your answer to two decimal places.)
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We need the sample mean (x̄), the standard deviation (s), and the sample size (n). Let's assume that we have the following data: Sample mean (x̄) = 5 hours Standard deviation (s) = 1 hour Sample size (n) = 30 (i) Construct the confidence interval: Show more…
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