Answer:
B) False
Explanation:
That would be a monopoly (only one supplier).
An oligopoly is a market where there are very few suppliers, and competition is very limited since the barriers to entry are very significant.
For example, the automobile industry is an oligopoly. There are only a few car manufacturers in the world, and they all are very large corporations. It costs hundreds of millions of dollars to introduce a new car model, and every time that happens, the corporations must carry on expensive advertising and promotional campaigns.
Answer: D. A confidence interval is used to test a claim about two population proportions.
Explanation: Confident interval estimate is a type of estimate computed from statistics of observed data.
The confident interval estimate of the difference between two population proportions will use a standard deviation based on estimated values of the population proportion. The confident interval will be used to estimate the difference in the two population proportions, but it will not be used to test claim about two population proportions because it can not.
Where is the statements or answer choices?
Rajon has employed a utility theory of which a person has
decided and targeted his or her preference in life as it is seen on Rajon’s
actions as he tries to determine the course he would take of which is
beneficial for him in the future which are considered to be his preference in
his life. It is also a way of having people rank choices and which would be of
preference or priorities in their life. It can be illustrated on Rajon’s
actions as he tries to take up choices of which is best and which are his
priorities in relation his field and job after he graduated in his school.
