An information system that contains the specialized knowledge and decision rules used by experts and experienced decision makers so that nonexperts can draw on this knowledge base to make decisions is referred to as a/an .

decision support system.

Explanation:

A decision support system is an intelligent system that automates the organizational decision process by collecting data regarding organizational processes and logical and quantitative learning of factors that directly impact a business.

It is then configured as a very effective tool to reduce the risk inherent in the decision-making process of an expert who does not have much experience to make a decision based on their own knowledge.

answer; is the sum of all individual demands curves;