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The rate of return and standard deviation is: 9.9%; 1.1%.
Rate of return:
Rate of return= (.4)(13.2) + (.6)(7.7)
Rate of return=5.28%+4.62%
Rate of return=9.9%
Standard deviation:
Standard deviation=√[(.4×1.47)² + (.6×1.10)²+ 2(.4)(.6)(.76)]
Standard deviation=1.1%
Inconclusion the rate of return and standard deviation is: 9.9%; 1.1%.
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