Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).

Jonathan's piggy bank contains 20 nickels, 30 quarters, and 50 one-dollar coins. He picks 20 coins from the bank at random; 12 of these coins are one-dollar coins. The theoretical probability of picking a one-dollar coin from the piggy bank before the draw is ? %, but the experimental probability, based on the draw, is ? %.

thank you

spirit1 Nov 10, 2018