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The effect of correlation
Diversi?cation works better when the investments in a portfolio have small correlations. To demonstrate this, suppose that returns on 500 Index Fund and Diversi?ed International Fund had the means and standard deviations we have given but were uncorrelated (ρWY = 0). Show that the standard deviation of a portfolio that combines 80% 500 Index with 20% Diversi?ed International is then smaller than your result from the previous exercise. What happens to the mean return if the correlation is 0?
a project has the following cash flows. what is the internal rate of return? year 0 1 2 3 cash flow -121000 68150 42200
Based on long term experience, the standard deviation can be taken to be $2.92. Find a 90% confidence interval for the average amount left by all groups.
Suppose that the probability that a new medication will cause a bad side effect is 0.03. If this medication is given to 150 people, what is the probability that exactly three of them will experience a bad side effect.
Find out if the population monthly expenditure mean is less than $212. The level of significance selected is 1% and 26 accounts are sampled. What is the critical value?
question a large department store examined a sample of the 18 credit card sales and recorded the amounts charged for
What is the arithmetic mean number of appointments she made per hour? What is the median number of appointments per hour? Write a brief report summarizing the findings.
Steve then conducts a one-sample t-test on the data, knowing that there is an established mean for the publication of others that have taken this test of 6.
question a study is conducted to determine if time of day has any effect on test grades. an introductory psychology
A field researcher is gathering data on the trunk diameters of mature pine and spruce trees in a certain area. The following are the results of his random sampling. Can he conclude, at the 0.10 level of significance, that the average trunk di..
5-year treasury bonds yield 5.5. the inflation premium ip is 1.9 and the maturity risk premium mrp on 5-year bonds is
The mean tensile strength for the bolts tested is 1385 pounds. Formulate and carry out a hypothesis test to examine the possibility that the bolts in the shipment might not be genuine.
This week we focus our attention to Risk, Return, and the Capital Asset Pricing Model (CAPM). One of the primary concepts in the field of finance is the risk-reward trade off. An assumption of risk-reward is the tenet of risk aversion for investor..
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