3) The annual return on Conoco Phillips is normally distributed, with mean of 7.0%. (So the expected return is 7.0%.) You invest $300,000 in this stock for one year. Graph the probably, that after one year, you have a) at least $325,000, b) at most $270,000, as the standard deviation of returns on CP runs from 5% to 40%. (Use one graph for this.)