The weights for newborn babies is approximately normally distributed with a mean of 6.9 pounds and a standard deviation of 2 pounds. Consider a group of 1500 newborn babies:

1. How many would you expect to weigh between 4 and 9 pounds?

2. How many would you expect to weigh less than 8 pounds?

3. How many would you expect to weigh more than 5 pounds?

4. How many would you expect to weigh between 6.9 and 10 pounds?