Mathematics, 16.04.2020 20:09 ecloud
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 15% of bags are over-filled then they stop production to fix the machine. They define overfilled to be more than 1 ounce above the weight on the package. The engineer weighs 100 bags and finds that 21 of them are over-filled. He plans to test the hypotheses H 0: p = 0.15 versus H a: p > 0.15. What is the test statistic? Group of answer choices Z = − 1.47 Z = − 1.47 Z = − 1.47 Z = − 1.47 Z = 4 Z = 4 Z = 4 Z = 4 Z = 1.68 Z = 1.68 Z = 1.68 Z = 1.68 Z = − 1.68 Z = − 1.68 Z = − 1.68 Z = − 1.68
Answers: 1
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Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.
Answers: 1
A quality control engineer at a potato chip company tests the bag filling machine by weighing bags o...
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