Consider the following two investment alternatives: First, a risky portfolio that pays a 15% rate of return with a probability of 40% or a 5% rate of return with a probability of 60%. Second, a Treasury bill that pays 6%. The risk premium on the risky investment is _________.
A. 1%
B. 3%
C. 6%
D. 9%
Answer: B. 3%
Risk premium = [.4{.15) + .6(.05)] - .06