22. The following two-way contingency table gives the breakdown of the populatio

Question

22. The following two-way contingency table gives the breakdown of the population of adults in a particular locale according to highest level of education and whether or not the individual regularly takes dietary supplements: Use of Supplements Take Does Not Education Take No High School 0.04 0.06 Diploma High School Diploma 0.06 0.44 Undergraduate 0.090.28 Degree Graduate Degree o.01 0.02 An adult is selected at random. Find the probability of each of the following events. The person has a high school diploma and takes dietary supplements regularly. The person has an undergraduate degree and takes dietary supplements regularly. The person takes dietary supplements regularly. The person does not take dietary supplements regularly. b. c· d·

Explanation / Answer

from given data:

a) probability of high school diploma and takes =0.06

b) probability of undergraduate degree  and takes =0.09

c) probability of taking dietary supplements regularly =0.04+0.06+0.09+0.01 =0.2

d) probability of not taking dietary supplements regularly =1-0.2 =0.8

take does nt take total no high school diploma 0.04 0.06 0.1 high school diploma 0.06 0.44 0.5 undergraduate 0.09 0.28 0.37 graduate 0.01 0.02 0.03 total 0.2 0.8 1

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