Babies in the United States have a mean birth length of 20.5 inches with a standard deviation

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?

Distribution
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