Calculate the 95% prediction intervals for the four different investments included in the following table.Small StocksS&P 50012.84%18.25%38.48%19.22%Average ReturnStandard Deviation of returnsGCorporate Bonds6.09%7.95%The 95% prediction interval of small stocks is between % and %. (Round to two decimal places and put the lower number first.)T-Bills3.25%4.02%

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Answered: Calculate the 95% prediction intervals…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Hi! I was working on the question below: The Capital Asset Pricing Model (CAPM) is a financial model that assumes returns on a portfolio are normally distributed. Suppose a portfolio has an average annual return of 14.7% (i.e. an average gain of 14.7%) with a standard deviation of 33%. A return of 0% means the value of the portfolio doesn’t change, a negative return means that the portfolio loses money, and a positive return means that the portfolio gains money. And question (a) looks like: What percent of years does this portfolio lose money, i.e. have a return less than 0%? I got a z-score of -0.4455, which corresponds to the p value of 0.3264 on the z-table; I don't understand why the correct answer should be 0.3280 as said by one of the solutions, and I cannot locate such a number on the z-table. Thank you so much!
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The Capital Asset Pricing Model (CAPM) is a financial model that assumes returns on a portfolio are normally distributed. Suppose a portfolio has an average annual return of 14.7% (i.e. an average gain of 14.7%) with a standard deviation of 33%. A return of 0% means the value of the portfolio doesn't change, a negative return means that the portfolio loses money, and a positive return means that the portfolio gains money. (please round answers to within one hundredth of a percent) (a) What percent of years does this portfolio lose money, i.e. have a return less than 0%? (b) What is the cutoff for the highest 15% of annual returns with this portfolio?
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