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 16% 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 129 bags and finds that 27 of them are over-filled. He plans to test the hypotheses Ho: p = 0.16 versus H:p> 0.16. What is the test statistic? Z= (Please round your answer to two decimal places if necessary.)

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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 16% 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 129 bags and finds that 27 of them are over-filled. He plans to test the hypotheses Ho: p = 0.16
versus H:p> 0.16. What is the test statistic?
Z =
(Please round your answer to two decimal places if necessary.)
Transcribed Image Text:9 Question 4 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 16% 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 129 bags and finds that 27 of them are over-filled. He plans to test the hypotheses Ho: p = 0.16 versus H:p> 0.16. What is the test statistic? Z = (Please round your answer to two decimal places if necessary.)
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