1. 12/18 points 1 Provious Answors My Notes In a recent health survey, 1000 rand
ID: 3054534 • Letter: 1
Question
1. 12/18 points 1 Provious Answors My Notes In a recent health survey, 1000 randomly selected US adult citizens were asked a series of questions regarding their health and their financial status. The answers provided by the respondents allow the investigators to categorize each one into a health level and a socioeconomic class. A contingency table summarizing the results of this survey is provided below. Assume that this is a representative sample of US adults and that the answers provided were truthful Health Assessment Social Class Poor Fair Good Excellent Low Working52 54 Middle Upper 20 42 100 230 5 3 72 57 A) In this study the Health Assessment variable is: Ordinal Consider that you randomly select one of these records from the 1000 responses; use the results published in Table 1, above, to find the following probabilities Note: You may answer in fraction ?n/d) form. If you compute a decimal answer, use at least 3-decimal precision B) P(Poor Health)-0.08 C) P(Upper Class)0.137 D) P(Poor Health Low Class)0.167 E) P(Poor HealthUpper Class)-0.036 F) P(Working Class & Excellent Health)- G) P(Good or Excellent Health) H) PrMiddle Class | Good Health)-Explanation / Answer
F) P(Working class & Excellent Health) = 123/1000 = 0.123
G) P(Good or Excellent Health) = (4 + 224 + 100 + 72 + 0 + 123 + 230 + 57) / 1000 = 810/1000 = 0.810
H) P(Middle class | Good Health) = 100 / (4 + 224 + 100 + 72) = 100/400 = 0.250
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.