What Is the Minimum Sample Size Required to Estimate a Population

question 77

Multiple Choice

What is the minimum sample size required to estimate a population mean with 95% confidence when the desired margin of error is D = 1.5? The population standard deviation is known to be 10.75.

• A)n = 138
• B)n = 139
• C)n = 197
• D)n = 198

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