Question: Need to check an answer What are the (a) expected return, (b) standard deviation, and (c) coefficient of variation for an investment with the following

Need to check an answer

What are the (a) expected return, (b) standard deviation, and (c) coefficient of variation for an investment with the following probability distribution?

probabilities: .2, .7, & .1 payoff: 19.0%, 9.0%, 4.0%

My answers

a. .2(.19)+.7(.09)+.1(.04)= 10.5

b. (.00722)+(.0081)+(.0016)= .01692= sq rt .01692 = .13 = 13%

c. .13/10.5=1.2

Thank you

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