What is the minimum sample size required to estimate a population mean with 95% confidence when the desired margin of error is E= 1.2? The population standard deviation is known to be 10.99. Multiple Choice n=263 n = 264 n=322 n=323
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The formula for calculating the minimum sample size required to estimate a population mean with a desired margin of error (E) and confidence level (Z) when the population standard deviation (σ) is known is: n = (Z^2 * σ^2) / E^2 where: n = sample size Z = Show more…
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