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A nurse in Massachusetts was arrested because of a high number of deaths while she was working shifts at a hospital. The table below was

A nurse in Massachusetts was arrested because of a high number of deaths while she was working shifts at a hospital. The table below was provided as evidence of her trial.

a. Using a significance level of .01, test the defendant's claim that deaths on shifts were independent of whether she was working. (Based on a true story!)

b. If you were on this jury, what you decide about her guilty or not guilty? Justify your decision.

SHIFTS WITH A DEATH SHIFTS WITHOUT A DEATH
WORKING 40 217
NOT WORKING 34 1350

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