Question

Babies in the United States have a mean birth length of 20.5 inches with a standard deviation of 0.90 inch. The shape of the distribution of birth lengths is approximately Normal.
a. How long is a baby born at the 20th percentile?
b. How long is a baby born at the 50th percentile?
c. How does your answer to part b compare to the mean birth length? Why should you have expected this?


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  • CreatedJuly 16, 2015
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