The annual return on Conoco Phillips is normally distributed, with mean of 5.5%. (So the expected return is 5.5%.) You invest $300,000 in this stock for one year. Graph the probably, that after one year, you have a) at least a) $315,000, b) at most $280,000, as the standard deviation of returns on KLM runs from 5% to 30%. (Use one graph for this.)