Question

would predict if the two traits were independent (0.03). Therefore,T than ve and blue eye pigmentation in dalmatians are not independent; they at color is a well-known genetic trait. The lack of independence suggests two graphical re ological interpretations: Hearing impairment may also be genetically l hu pigmentation may, in some indirect way, render the dogs more susceptible to hes dogs (microbial infections are known to sometimes cause hearing loss); or the If you have co calculated from a t two-way table (suc conditional probal oss. B APPLY YOUR KNOWLEDGE However, som a two-way table, ties that will not At the gym. Suppose that I0% of adults belong to health clubs, and 40% of h health club members go to the club at least twice a week. What percent of all adules go to a health club at least twice a week/ Write the information given in terms di probabilities and use the general multiplication rule. 10., graphically by usi EXAMPLE 10.10 Sickle-cell trait and malaria. Sickle-cell anemia is a hereditary that affects red blood cells and is thought to protect against malaria, a debiltn ing parasitic infection of the liver and blood. That would explain why the sickle cell trait is found in people who originally came from Africa, where malaria s widespread. A landmark study in Africa tested 543 children for the sickle-cell tait and also for malaria infection. In all, 25% of the children had the sickle-cell trait, medical condirin STATE: Intense posure, however malignant mela 15% of skin car and the remaini cer on the hea 20% of those and 6.6% of the children had both the sickle-cell trait and malaria. Overall, 346%

Answer 10.9

Answer 1