The weights for newborn babies is approximately normally distributed with a mean of 6.6 pounds and a standard deviation of 2.1 pounds.

Consider a group of 1400 newborn babies:

1. How many would you expect to weigh between 4 and 8 pounds?

2. How many would you expect to weigh less than 7 pounds?

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

4. How many would you expect to weigh between 6.6 and 9 pounds?