After reviewing the service records at a car dealership, the CEO (chief executive officer) discovered that customers who scheduled a service for a transmission fluid exchange and differential fluid exchange also typically scheduled a service for an oil change. This conclusion is obtained using what data analysis technique

As a group is leaving, you ask them if they had a good experience at the restaurant. they mention that they had poor service and their food was cold. a. apologize and ask them to give the restaurant another chance in the future. you tell them that guests usually have a great experience here. b. apologize then ask for the server’s name and immediately notify the manager after they leave. c. apologize for the bad experience and ask them to wait as you call the manager to talk to them. d. apologize for the bad experience and encourage them to complete the customer service survey. this feedback will ensure other guests do not have the same experience.

Afinancial institution, the thriftem bank, is in the process of formulating its loan policy for the next quarter. a total of $12 million is allocated for that purpose. being a full-service facility, the bank is obligated to grant loans to different clientele. the following table provides the types of loans, the interest rate charged by the bank, and the possibility of bad debt as estimated from past experience. type of loaninterest rateprobability of bad debtpersonal.140.10car.130.07home.1 20.03farm.125.05commercial.100.02 bad debts are assumed unrecoverable and hence produce no interest revenue either. competition with other financial institutions in the area requires that the bank allocate at least 40% of the total funds to farm and commercial loans. to assist the housing industry in the region, home loans must equal at least 50% of the personal, car, and home loans. the bank also has a stated policy specifying that the overall ratio for bad debts on all loans may not exceed .04. formulate this problem as a linear program. define your variables clearly and write all the constraints explaining the significance of each.

From 1960 to 1970, the consumer price index (cpi) increased from 29.6 to 48.2. if a dozen donuts cost $0.89 in 1960 and the price of donuts increased at the same rate as the cpi from 1960 to 1970, approximately how much did a dozen donuts cost in 1970?