Assessing return and risk Swift Manufacturing is evaluating an asset purchase. The annual rate of return and the related probabilities given in the following table summarize the firms analysis to this point

Rate of Return Probability

5% 0.10

15% 0.05

25% 0.05

35% 0.05

45% 0.40

55% 0.10

65% 0.05

75% 0.10

85% 0.10

The range of possible rates of return is ___%

The expected value of return is ____%

The standard deviation of the return is ____%

The coefficient of variation of the return is ___