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An investment pays $1000 three quarters of the time, and $0 the remaining time. Its expected value and variance respectively are .

7. An investment pays $1000 three quarters of the time, and $0 the remaining time. Its expected value and variance respectively are


.8 An investment will pay $2,000 half of the time and $1,400 half of the time. The standard deviation for this investment is: 


9. An investment will pay $2000 a quarter of the time; $1,600 half of the time; and $1,400 a quarter of the time. The standard deviation of this asset is: 

Top Answer

7th Standard deviation = sqrt(variance) = sqrt(187500) = 433.012701... View the full answer

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