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[See] A scientist is investigating whether a new computer-aided scoring system for x-rays does a better job of identifying cancerous tumors than current

Question: A scientist is investigating whether a new computer-aided scoring system for x-rays does a better job of identifying cancerous tumors than current practice. The scientist has x-rays from 200 known cancer cases and 200 known controls. Using the new test, 175 of the cases and 44 of the controls test positive.

  1. (6 pts) Calculate a 95% confidence interval for the sensitivity of the new test.
  2. (6 pts) Calculate a 90% confidence interval for the specificity of the new test.
  3. (1 pts) Would a 95% confidence interval for the specificity to be wider or narrower than the 90% interval?

Price: $2.99
Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document


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