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Expected returns and risk in portfolio. When the CAPM holds with E (RM) =12%, σM = 20%, and Rf = 2%,
(a) What should be expected return of stock X that has a standard deviation σX = 30%, and a correlation with the market portfolio of ρXM = 0.6.
(b) Assume that stock Y has the same standard deviation as stock X, i.e., σy = 30%, but the correlation with the market portfolio ρYM = 0.2. Compute βY and E (RY). What can you learn by comparing results in (a) and (b)?
(c) A portfolio p of consisting 60% of stock X and 40% of stock Y, has a correlation ρpM = 0.62 with the market. What is the portfolio volatility? Statement on the diversification effect.
This result prompts a test administrator to claim that standard deviation for eighth graders on examination is less than 29.At a = 0.10, is there sufficient evidence to support administrator's claim?
At significance levels of .05 and .01 test H 0 : the factors A and B are independent.
Test either there is any difference among the given variable also what does the Levene's Test shows. What variable is presented in this table.
The following table shows the hardness (in Brinell hardness numbers) and the tensile strength (in thousands of pounds per square inch) of ten specimens of a certain alloy.
Using What's Best! (Or solver) find the least-cost matrix.
Support colour-coding on packaged food to indicate healthier options
In past, mean processing time was 45 days. At 0.05 level of significance, is there evidence that mean processing time has changed from 45 days?
At the .05 significance level, is there a difference in the proportion of viewers watching the three channels?
A better case can be made that observation 13 (Los Arboles) is an outlier. Describe what this means in plain terms.
We desire to test at 0.05 level of significance whether modification increases the life of battery. What is our decision rule? Reject null hypothesis if calculated t is less than 1.96.
Can we conclude that the mean time for a game is less than 3.50 hours? Use the .05 significance level.
Find a 95% confidence interval for the difference in the proportion of deaths between the streptokinase and the control group.
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