Ward Ford
09/28/2023 · Junior High School
The weights for newborn babies is approximately normally distributed with a mean of 5.1 pounds and a standard deviation of 1.1 pounds. Consider a group of 1300 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 6 pounds? 4. How many would you expect to weigh between 5.1 and 10 pounds?
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1. Expect 1093 babies to weigh between 4 and 9 pounds.
2. Expect 1294 babies to weigh less than 8 pounds.
3. Expect 268 babies to weigh more than 6 pounds.
4. Expect 650 babies to weigh between 5.1 and 10 pounds.
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