To estimate a proportion with a 4 percent margin of error and a 95 percent confidence level, the required sample size is over 800.
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Q19: As n increases, the width of the
Q20: A higher confidence level leads to a
Q21: The sample proportion is always the midpoint
Q22: The distribution of the sample proportion p
Q23: Based on the Rule of Three, if
Q25: The standard deviation of the sample proportion
Q26: The standard error of the sample proportion
Q27: In a sample size calculation, if the
Q28: The sample standard deviation s is halfway
Q29: The Central Limit Theorem can be applied
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