Assume MBA graduates have incomes normally distributed with a mean of $100,000 and a standard deviation of $20,000. Law school graduates also have normally distributed incomes, with a mean of $90,000 and a standard deviation of $25,000. An MBA graduate and a law graduate are selected at random. 1- Which is more likely to have an income under $50,000? 2-Which is more likely to have an income over $150,000?