A lab test for a new form of e-coli bacteria is not always correct. The hypothesis is that the tested patient has the new e-coli bacteria. Identify a Type I error.
A) The test states that the patient is free of the bacteria, and the patient really does have it.
B) The test states that the patient has the bacteria, and the patient really does not.
C) The test states that the patient has the bacteria, and the patient really does have it.
D) The test states that the patient is free of the bacteria, and the patient is free of it.

Question

Quizplus · Accepted Answer

The test states that the patient is free of the bacteria, and the patient really does have it. This is a Type I error because the test is incorrectly rejecting the null hypothesis.

A Lab Test for a New Form of E-Coli Bacteria