a. A stock has an annual return of 15 percent and a standard deviation of 63 percent. What is the smallest expected loss over the next year with a probability of 2.5 percent? (A negative value should be indicated by a minus sign. Do not round intermediate calculations. Round the z-score value to 3 decimal places when calculating your answer. Enter your answer as a percent rounded to 2 decimal places.) b. Does this number make sense? Yes: No