A Study Investigating a New Test for Diagnosing Acute Myocardial

A study investigating a new test for diagnosing acute myocardial infarction (AMI) has just been initiated.  The sensitivity of the test is estimated at 75% and the specificity at 80%.  The study enrolls 600 patients, of whom 200 are confirmed AMI cases as determined by the diagnostic gold standard.  How many false negatives are to be expected in the study?

A) 50
B) 80
C) 120
D) 150
E) 400

Correct Answer:

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