The weights for newborn babies is approximately normally distributed with a mean of 6.8 pounds and a standard deviation of 2.1 pounds. Consider a group of 900 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 7 pounds? 4. How many would you expect to weigh between 6.8 and 10 pounds?

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