Use the z-score formula, z=x−μσ, and the information below to find the mean, μμ. Round your answer to one decimal place, if necessary. z=1.25, x=21.3, and σ=1.2

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Q: Find the margin of error for the given values of​ c, σ​, and n.   c=0.90​, σ=2.9​, n=81   LOADING...…

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Q: Find the margin of error for the given values of​ c, σ​, and n.   c=0.90​, σ=3.5​, n=36   LOADING...…

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