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The exercise is to build a portfolio optimization system that can display efficient frontiers to a decision maker. As this includes many repetitive tasks, one should try to automate them with macros as much as possible.
Content-wise, the project involves
For good results, you probably need to work with 20 or more securities. Try to include in your model realistic-type sector, industry, and upper bound constraints, but don't make them too tight.
The width of a confidence interval is equal to twice the value of the margin of error. Explain your answer. What is the first step in hypothesis testing?
A company is filling bags of rock salt to a level of 50 pounds. It believes that all bags are filled correctly, but would like to use a hypothesis test with an alpha of 0.05 to check this belief.
A particular magazine typically has 65% subscription renewals. A new advertising campaign is introduced to see if this can be increased. To monitor renewals, a sample of 300 subscribers is taken each month to see what percentage renew their subscr..
Formulate and test an appropriate set of hypotheses to determine if the machine can be qualified. Use a = 0.05. Find the P-value.
An aquarium tank can hold 7700 liters of water. There are two pipes that can be used to fill the tank. The first pipe alone can fill the tank in 77 minutes.
Determine the sample size necessary to estimate a population mean to within 1 with a 90% confidence given that the population standard deviation is 10, Suppose that the sample was calculated at 150. Estimate the population mean with 90% confidence..
Probability of selecting a household with no children that is equal to the value obtained by the census. Give the z statistic (rounded to two decimal places) and the P-value. What do you conclude?
Construct a relative frequency distribution for the weights of regular Coke by starting the first class at 0.7900 lb. and use a class width of 0.0050 lb.
A sample of 25 MBA students taking OTM course in the Spring of 2013 shows an average income of $85,000 with the sample standard deviation of $5,000. Find the 95% confidence interval of the population mean income of MBA students.
Given the consumer is 18 to 24 years old, what is the probability that the consumer uses a plastic card? Given the consumer is over 24 years old, what is the probability that the consumer uses a plastic card?
The country clerk wants to estimate the protection of retired voters who will need special election facilities. suppose a sample of 400 retired voters was taken. If 150 special election facilities, calculate an 80% confidence for the population pr..
Using the original data, estimate the population standard deviation with 90% probability.
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