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Imbe 9.1.37 Question Help al to E ecima 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 3 percentage points with 99% confidence if (a) he uses a previous estimate of 22%? (b) he does not use any prior estimates? to thi Click here to view the standard normal distribution table (page 1)_ led nu Click here to view the standard normal distribution table (page 2). edtl (a) n= (Round up to the nearest integer.) Calcula digit sand g to th round ults onl FURTH Calcul: Numbe Calcul; the Nea to the