A portfolio manager believes that tomorrow's foreign exchange rate of German marks per US dollar will be Normally distributed with mean 2.03 and standard deviation 0.08. Using the manager's numbers:
1. What is the probability that tomorrow's rate will be above 2.08?
2. What is the probably that tomorrow's rate will be below 1.85?
3. What is the probability that tomorrow's rate will be between 2.00 and 2.20?