If a member of the department is chosen at random to serve on a university committee, what is the probability (in decimal form) that the chosen representitive will have between 10 and 25 years of service? Answer: .48

(c) What is the probability the representative above will have less than 25 years of service given that the person has less than 35 years of service?

no it was right, sorry the question just wanted the .7/.9, it didnt want the solution. Sometimes WebWork can be annoying like that, thank you for your time and help :)