Based on the following information, what is the standard deviation of returns? state of economy probability of state of economy rate of return if state occurs recession .22 − .112 normal .25 .127 boom .53 .237

Step-by-step explanation:

Mean = 0.53*23.7% + 0.25*12.7% + 0.22*(-0.112)= 15.71%

standard deviation= sqrt(0.53*(23.7%-15.71%)^2 + 0.25*(12.7%-15.71%)^2 + 0.22*(-0.112-12.40%)^2)= 8.40%

1760 kilometers

step-by-step explanation:

multiply the amount of time the plane took to travel by it's speed

b

step-by-step explanation:

it have 5 sides and 5 identicle angle.the rest does not have the same property as b.

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