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Excercices:

Excercices:. Q4.3.4 : Page 111 The same survey data base cited shows that 32 percent of U.S adults indicated that they have been tested for HIV at some points in their life .Consider a simple random sample of 15 adults selected at that time .Find the probability

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Excercices:

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  1. Excercices: Q4.3.4: Page 111 The same survey data base cited shows that 32 percent of U.S adults indicated that they have been tested for HIV at some points in their life .Consider a simple random sample of 15 adults selected at that time .Find the probability that the number of adults who have been tested for HIV in the sample would be: Text Book : Basic Concepts and Methodology for the Health Sciences

  2. Solutionn=15 , p= 0.32 ,q= 1-p=0.68 Text Book : Basic Concepts and Methodology for the Health Sciences

  3. (a) Three (Ans. 0.1457) • (b) Less than two (Ans. 0.02477) (c ) At most one (Ans. 0.02477) • (d) At least three (Ans. 0.9038) (e) between three and five ,inclusive. Text Book : Basic Concepts and Methodology for the Health Sciences

  4. Q4.3.5 • refer to Q4.3.4 , find the mean and the variance? • (Answer: mean = 4.8 , • variance =3.264 • Standard deviation= 1.807 • ) Text Book : Basic Concepts and Methodology for the Health Sciences

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