A property and casualty insurance company categorizes its policyholders into three groups: low risk, medium risk, or high risk. 25% of the policyholders are low risk and 30% are high risk. The high risk policyholders are three times as likely as medium risk policyholders to file an insurance claim and the medium risk policyholders are twice as likely as the low risk policyholders to file an insurance claim. Determine the proportion of the insurance claims filed by medium risk policyholders.

Managers at flavors, a restaurant chain, train their employees such that in the absence of employees, someone trained in the same skills can step in and do the job equally well. thus, many modules in training are extensive as they provide employees with details of the skill sets required for different jobs. in practice, this lengthy training program does the company as a well-trained and flexible workforce is at their disposal at all times. the managers at flavors use a) job rotationb) vertical enhancementc) telecommutingd) job sharinge) flextime