American womens heights are approximately normally distributed with mean 63.8 inches and standard deviation 4.2 inches. American
Question:
a. What height is at the 30th percentile for women’s heights?
b. What height is at the 30th percentile for men’s heights?
c. If there were the same number of women as men in the United States, what would be the mean height of all American adults?
d. In reality, there are more women than men in the United States. Is your result in part (c) an underestimate or an overestimate of the mean height of all American adults?
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a The 30 th percentile for womens heights is 616 inches bTh...View the full answer
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