Calculate the expected return and variance of portfolios invested in T-bills and the S&P 500 index with weights as shown below. (Er your answers as decimals rounded to 4 places. Leave no cells blank - be certain to enter "Q" wherever required.)

EBK CONTEMPORARY FINANCIAL MANAGEMENT
14th Edition
ISBN:9781337514835
Author:MOYER
Publisher:MOYER
Chapter8: Analysis Of Risk And Return
Section: Chapter Questions
Problem 14P
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Consider historical data showing that the average annual rate of return on the S&P 500 portfolio over the past 85 years has averaged
roughly 8% more than the Treasury bill return and that the S&P 500 standard deviation has been about 38% per year. Assume these
values are representative of investors' expectations for future performance and that the current T-bill rate is 4%
Calculate the expected return and variance of portfolios invested in T-bills and the S&P 500 index with weights as shown below. (Enter
your answers as decimals rounded to 4 places. Leave no cells blank - be certain to enter "0" wherever required.)
Wels
0.0
0,2
0.4
0.6
0.8
1.0
Windex
1.0
0.8
0.6
04
0.2
0.0
Expected Return
0.1200
Variance
0.1444 Example
Transcribed Image Text:Consider historical data showing that the average annual rate of return on the S&P 500 portfolio over the past 85 years has averaged roughly 8% more than the Treasury bill return and that the S&P 500 standard deviation has been about 38% per year. Assume these values are representative of investors' expectations for future performance and that the current T-bill rate is 4% Calculate the expected return and variance of portfolios invested in T-bills and the S&P 500 index with weights as shown below. (Enter your answers as decimals rounded to 4 places. Leave no cells blank - be certain to enter "0" wherever required.) Wels 0.0 0,2 0.4 0.6 0.8 1.0 Windex 1.0 0.8 0.6 04 0.2 0.0 Expected Return 0.1200 Variance 0.1444 Example
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