<span>Alice had original amount = $12,450. She earned an interest of $622.50 on the original amount. To find the percent, say, $622.50 = x% of $12,450, we get x% = 0.05 or x = 5%. Thus, Alice earned approximately 5% of the interest.</span>
Answer:
b. a one-tail test should be utilized.
Explanation:
It can be said that the best way for the economist to make this determination would be to use a one-tail test. This is a statistical test in which the critical area of a distribution is one-sided, making it either exceed or fall short of a certain value, but not both as seen in the graph below. Which in this case, the certain value would be $50,000 and the information will be on either side. Thus showing the economist if the mean family income truly exceeds the $50,000
Answer:
I. Mature in one year or less.
Explanation:
Money market securities matures in one year or less. It is not assured that principal amount will be safe and government does not guarantee for these securities but they ensure through regulatory bodies that these securities must have a minimum credit rating to be traded in the market. So option I is correct.
An oligopoly is a market form in which a market is dominated by a small number of sellers. For example, as of fourth quarter 2008, Verizon, AT&T, Sprint, and T-Mobile together control 97% of the US cellular phone market. Competition is limited in an oligopoly because barriers to entry are high.The most important barriers are government licenses, economies of scale, patents, access to expensive and complex technology, and strategic actions by incumbent firms designed to discourage or destroy nascent firms.
Answer:
B: Brainstorming a solution
Explanation:
Problem-Solving by Brainstorming
-ask questions
-write down ideas
-create graphic organizers
-use existing ideas to come up with new ones