ating a Population Question 14, 9.1.35 HW Score: 83.33%, 35 of 42 points Part 1 of 2 x Points: 0 of 5 Save A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be within 4 percentage points with 95% confidence if (a) he uses a previous estimate of 32%? (b) he does not use any prior estimates? Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) n= (Round up to the nearest integer.)