The personnel department of Franklin National Life Insurance compiled the accompanying data regarding the income and education of its employees. Income Income $60,000 or Below Above $60,000 Nonoollege Graduate 19 10 880 College Graduate 430 780 Let A be the event that a randomly chosen employee has a college degree, and let a be the event that the chosen employee's income is more than $60,000. (a) Find each of the following probabilities. (Round your answers to four decimal places.) PM) - Pas) - PM o a) - PUB IA) ' FIIB l AC) ' (b) Are the events A and B independent events? A .U. Yes No J Human blood is classified by the presence or absence of three main antigens (A, B, and Rh). When a blood specimen is typed, the presence of the A andfor 3 antigen [5 indicated by listing the letter! andfor the letter B. If neither the A nor the 3 antigen is present, the letter O is used. The following table gives the percent of a country's population having each of the eight possible blood types in the sample space. Note that the presence or absence of the Rh antigen is Indicated by the symbols + or , respectively. Bland Types A+ A 3+ 3 AB+ Aa 0+ 0 Percent 35.9 6.1 9.5 1.5 3.4 0.3 3?.2 5.6 (a) What is the probability that a person selected at random from the population has a blood type that is type AB given that the person is Rh+? (Round your answer to two decimal places.) .42 x (b) What is the probability that a person selected at random from the population has a blood type that is Rh' given that the person is type 0'? [Round your answer to two decimal places.) .77 x