Consider historical data showing that the average annual Fate 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 2%. Calculate the expected return and variance of portfolios invested in T-bills and the S&P 500 index with weights as shown below. Note: Round your "Expected Return" answers to 2 decimal places and "Variance" answers to 4 decimal places. W Bills 0.0 0.2 Windex 1.0 08 Expected Return 10.00 % % Variance 0.1444 Example EMPEREENT

EBK CONTEMPORARY FINANCIAL MANAGEMENT
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Chapter8: Analysis Of Risk And Return
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years has averaged
Consider historical data showing that the average annual rate of return on the S&P 500 portfolio over the past 85
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 2%.
Calculate the expected return and variance of portfolios invested in T-bills and the S&P 500 index with weights as shown below.
Note: Round your "Expected Return" answers to 2 decimal places and "Variance" answers to 4 decimal places.
WBills
0.0
02
0.4
0.6
0.8
1.0
Windex
1.0
0.8
OC
0.6
04
0.2
0.0
Expected Return
10.00 %
%
%
%
%
%
Variance
0.1444 Example
Transcribed Image Text:years has averaged Consider historical data showing that the average annual rate of return on the S&P 500 portfolio over the past 85 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 2%. Calculate the expected return and variance of portfolios invested in T-bills and the S&P 500 index with weights as shown below. Note: Round your "Expected Return" answers to 2 decimal places and "Variance" answers to 4 decimal places. WBills 0.0 02 0.4 0.6 0.8 1.0 Windex 1.0 0.8 OC 0.6 04 0.2 0.0 Expected Return 10.00 % % % % % % Variance 0.1444 Example
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