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1) Scenario Analysis. The common stock of Leaning Tower of Pita, Inc., a restaurant chain, will generate the following payoffs to investors next year:Dividend Stock Price
Boom $5 $195Normal economy 2 100Recession 0 0
The company goes out of business if a recession hits. Calculate the expected rate of return and standard deviation of return to Learning Tower of Pita shareholders. Assume for simplicity that the three possible states of the economy are equally likely. The stock is selling today for $80.
2) Question:
Portfolio Risk. Who would view the stock of Learning Tower of Pita as a risk reducing investment - the owner of a gambling casino or a successful bankruptcy lawyer? Explain.
We are 95% confident that the proportion of non sell-able items for Whole Fruits is anywhere between 6.4% and 15.6% HIGHER than the proportion of non sell-able items for Green Grocer.
Construct a 96 percent confidence interval for the mean weight of all firefighters six months after the exercise rooms were installed.
At the .05 significance level, is the number of units produced on the afternoon shift larger?
Describe the factors that might cause variation in weight of Tootsie Rolls during manufacture.
If the population standard deviation is s = 10, is the sample sufficient to demonstrate a significant effect? Again, assume a two-tailed test with a = 0.05.
1st a confidence interval is constructed without utilizing the finite population correction factor.
Explain this result (including the underlying logic of the computations) to a person who understands hypothesis testing involving a single sample and a known population, but knows nothing about t tests.
A sociologist wants to describe if the life expectancy of people in Africa is lesser than the life expectancy of people in Asia.
The number of degrees of freedom for the appropriate chi-square distribution in a test of independence is:
Standard deviation was increased to 40, determine the overall effect on their society? Would this change be a good thing?
To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments.
If we repeated this procedure many, many times, only 5 percent of the 95 percent confidence intervals would fail to include the mean Math SAT score of the population of all students at this college.
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