A Study Is Conducted to Evaluate the Properties of a New

question 73

Multiple Choice

A study is conducted to evaluate the properties of a new test for diagnosing ovarian cancer.  The study enrolled 200 patients who truly have ovarian cancer and 300 patients who truly do not.  Study results showed that the test is 80% sensitive and 70% specific.  Based on this information, which of the following is the approximate number of false negative test results found in this study?

• A)40
• B)90
• C)160
• D)200
• E)210

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Definitions:

Labor Costs

The total sum of all wages, benefits, and taxes paid to employees by an employer for work performed.

Period Costs

Expenses that are not directly tied to production activity and are charged to the period in which they are incurred.

Balance Sheet

A financial statement that shows the assets, liabilities, and equity of a company at a specific point in time, illustrating its financial position.

Income Statement

A report that outlines an organization's earnings and costs for a set period, culminating in a net gain or shortfall.