20% of students in a class go to professor during office hours. of those who go 30% seek minor clarification. 70% seek major clarification. a) what is the probability a student goes for minor clarification? b) what is the probability a student goes for major clarification?

To be able to better compare stock performance within the same industry, similar companies are grouped into? a)market sectors b) industry blocks c) performance sectors d) average earning blocks

Suppose an economist believes that the price level in the economy is directly related to the money supply, or the amount of money circulating in the economy. the economist proposes the following relationship: p=a x m - p=price level - m=money supply - a=a composite of other factors, including real gdp, that change very slowly over time. how might an economist gather empirical data to test the proposed relationship between money and the price level? an economist would persuade the federal reserve to change the money supply to various levels, and observe the resulting changes in the price level. unlike researchers in the hard sciences, economists cannot study complex relationships using data. economists do not usually develop theoretical models of the economy but only analyze summary statistics about the current state of the economy. an economist would look for data on past changes in the money supply, and note the resulting changes in the price level

Asmartphone manufacturing company uses social media to achieve different business objectives. match each social media activity of the company to the objective it the company achieve.