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Unformatted text preview: the scale of measurement of these variables?
Answer: Nominal, Ratio, Ratio, Ordinal
2. All bags entering a research facility are screened. Ninety-seven percent of the bags that contain forbidden
material trigger an alarm. Fifteen percent of the bags that do not contain forbidden materials also trigger the
alarm. If 1 out of every 1,000 bags entering the building contains forbidden materials, what is the probability
that a bag that triggers the alarm will actually contain forbidden materials?
3. The human resou...
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