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For a pediatrician, the mean height of a 4-year-old female patient is 40.21 inches, and the standard deviation is 3.78 inches. Using the normal model,

For a pediatrician, the mean height of a 4-year-old female patient is 40.21 inches, and the standard deviation is 3.78 inches. Using the normal model, determine the proportion of 4-year-old females with a height of less than 40 inches. How about between 43 inches and 48 inches?

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