Find the minimum sample size required to estimate a population proportion or percentage
A) find the same size needed to estimate the percentage of robberies in texas that result in arrests. Use a 0.04 margin of error, use a confidence level of 80% and assume that ^p and ^q are unknown.
B) Find the sample size needed to estimate the percentage of
adults who have consulted fortune tellers. Use a 0.03 margin of
error use a confidence level of 98% and use results froma prior pew
research center poll suggesting that 15% of adults have consulted