Type numbers in the boxes 10 points A quality control engineer at a potato chip company tests the bag filling machine by weighing bags of potato chips Not every bag contains exactly the same weight But if more than 18 of bags are over filled then they stop production to fix the machine They define over filled to be more than 1 ounce above the weight on the package The engineer weighs 137 bags and finds that 41 of them are over filled He plans to test the hypotheses Ho p 0 18 versus Ha p 0 18 What is the test statistic Z Please round your answer to two decimal places if necessary