Question

Use the Empirical Rule to answer the questions below:

The distribution of weights for newborn babies is approximately normally distributed with a mean of 7.6 pounds and a standard deviation of 0.7 pounds.

1. What percent of newborn babies weigh more than 8.3 pounds?  %

2. The middle 95% of newborn babies weigh between and  pounds.

3. What percent of newborn babies weigh less than 6.2 pounds? %

4. Approximately 50% of newborn babies weigh more than  pounds.

5. What percent of newborn babies weigh between 6.9 and 9.7 pounds?  %

Answer 1