An article titled\" Pain and Pain related side effects in an ICU and on a surgic

Question

An article titled" Pain and Pain related side effects in an ICU and on a surgical unit: Nurses' Management" (American Journal of Critical Care, January 1994, Vol 3, No 1) gave the following table summarizing the study participants.(Note that ICU is an acronym for Intensive care unit) Gender Female Male ICU 10 12 Surgical Unit One of the participants is selected at random. Answer the following questions: (a) Given the person is a male, what is the probability that he is from ICU (b) Given the person is chosen from a surgical unit, what is the probability that it is a female Path: p Words:0

Explanation / Answer

Solution:-

a) Given the person is a male, the probability that he is from ICU is 0.3871.

Total number of male = 12 + 19 = 31

The number of person who are male and from ICU = 12

Given the person is a male, the probability that he is from ICU = 12/31 = 0.3871

b) Given the person is chosen from surgical unit, the probability that it is a female is .2692.

Total number of person in surgical unit = 7 + 19 = 26

The number of person who are female and from surgical unit = 7

Given the person is chosen from surgical unit, the probability that it is a female = 7/26 = 0.2692

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