After Calculating the Sample Size Needed to Estimate a Population

question 88

Multiple Choice

After calculating the sample size needed to estimate a population proportion to within 0.04,your statistics professor told you the maximum allowable error must be reduced to just .01.If the original calculation led to a sample size of 800,the sample size will now have to be:

• A)800
• B)3,200
• C)6,400
• D)12,800

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