Question: 16 In each parts (a)-(c), which observed values of the sample proportion . Based on the given range, identify the educated guess that should be used for the observed value of to calculate the required sample size for the prescribed confidence level and margin of error.

b. 0.7 or greater

d. In each of parts (a)-(c), which observed values of the sample proportion will yield a larger margin for error than the one specified if the educated guess is used for the sample size computation?