Finding the Probability

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Question Description

Theresa has many ICU patients in her care. Some of the patients are on feeding tubes while others are on IVs only. In addition, Theresa knows that some of the patients have diabetes while some don’t. The exact breakdown is as follows:

                                  Feeding Tube         IV

Has Diabetes                   45                   41

No Diabetes                     8                   34

Whats the probability of selecting someone not having diabetes, but are on a feeding tube?

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Explanation & Answer

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total number of patients = 45+41+8+34 = 128

Number of patients not having diabetes, but are on a feeding tube :  8

therefore the probabability of selecting such patients  = 8/128 = 1/16   (Answer)

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zngurkcreg121 (697)
Carnegie Mellon University

I was struggling with this subject, and this helped me a ton!