What is the confidence level (written as a percentage) for the interval $\bar{x} - 1.85\sigma/\sqrt{n} \le \mu \le \bar{x} + 1.85\sigma/\sqrt{n}$? (Round your answer to 2 decimal places.)
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In this case, the interval is x - 1.85σ/√n ≤ x ≤ x + 1.85σ. Show more…
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