Assume these are the stock market and Treasury bill returns for a 5-year period: Year Stock Market Return (%) T-Bill Return (%)
2013 32.80 0.09
2014 12.20 0.09
2015 −2.90 0.09
2016 14.00 0.04
2017 23.00 0.06

Required:

a. What was the risk premium on common stock in each year?

b. What was the average risk premium?
c. What was the standard deviation of the risk premium? (Ignore that the estimation is from a sample of data.)

Find the area of shaded region z=-0.89

By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.

In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same