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In Exercise, test the given claim.Nurse a Serial Killer?

Chapter 11, Problem 10BSC

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QUESTION:

Problem  10BSC

In Exercise, test the given claim.

Nurse a Serial Killer? Alert nurses at the Veteran’s Affairs Medical Center in Northampton, Massachusetts, noticed an unusually high number of deaths at times when another nurse, Kristen Gilbert, was working. Those same nurses later noticed missing supplies of the drug epi-nephrine, which is a synthetic adrenaline that stimulates the heart. Kristen Gilbert was arrested and charged with four counts of murder and two counts of attempted murder. When seeking a grand jury indictment, prosecutors provided a key piece of evidence consisting of the table below. Use a 0.01 significance level to test the defense claim that deaths on shifts are independent of whether Gilbert was working. What does the result suggest about the guilt or innocence of Gilbert?

 

Shifts with a Death

Shifts without a Death

Gilbert Was Working

40

217

Gilbert Was Not Working

34

1350

Questions & Answers

QUESTION:

Problem  10BSC

In Exercise, test the given claim.

Nurse a Serial Killer? Alert nurses at the Veteran’s Affairs Medical Center in Northampton, Massachusetts, noticed an unusually high number of deaths at times when another nurse, Kristen Gilbert, was working. Those same nurses later noticed missing supplies of the drug epi-nephrine, which is a synthetic adrenaline that stimulates the heart. Kristen Gilbert was arrested and charged with four counts of murder and two counts of attempted murder. When seeking a grand jury indictment, prosecutors provided a key piece of evidence consisting of the table below. Use a 0.01 significance level to test the defense claim that deaths on shifts are independent of whether Gilbert was working. What does the result suggest about the guilt or innocence of Gilbert?

 

Shifts with a Death

Shifts without a Death

Gilbert Was Working

40

217

Gilbert Was Not Working

34

1350

ANSWER:

Solution  10BSC

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