Question

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 10% 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 153 bags and finds that 41 of them are over-filled. He plans to test the hypotheses H 0 : p = 0.1 versus H a : p > 0.1. What is the test statistic? z = (Please round your answer to two decimal places if necessary.)

Answer 1

Answer:

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