After Calculating the Sample Size Needed to Estimate a Population

question 160

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) 3200
• C) 12,800
• D) 6400
• E) 1600