where is 0.994 came from?

DW Co. stock has an annual return mean and standard deviation of 14.5 percent and 43 percent, respectively. What is the smallest expected loss in the coming year with a probability of 16 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.) Smallest expected loss Explanation Prob(R 0.145-0.994(0.43)-16% Prob(R