n = 257 , mean =5.29 , normal distribution with population standard deviation =σ .86. Construct a 90% confidence interval. Round the answer to at least 2 decimal places.
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We are given the following information: - Sample size (n) = 257 - Sample mean (x̄) = 5.29 - Population standard deviation (σ) = 0.86 - Confidence level = 90% Show more…
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