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Confidence interval for the population proportion

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Reference no: EM131315023

A new product is being tested by Zed Electronics to determine if it will continue to operate in a stable fashion under a variety of conditions. A sample of 400 items were tested, and 60 failed the test. Determine a 90 percent confidence interval for the population proportion.

  • 0.2301 to 0.5301
  • 0.1206 to 0.1794
  • 0.1271 to 0.1729
  • 0.1321 to 0.1679

Reference no: EM131315023

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