E Test: POST UNIT 6 - TEST - Ch. 9 Question 7 This Test: 13 pts possible Submit Test 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 5 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 in view the standard normal distribution table (page 2). (a) n= (Round up to the nearest integer ) (bin = (Round up to the nearest integer ) Enter your answer in each of the answer boxes StatCrunch Next Type here to search O H 5:02 PM 8/3/2021 20