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Mathematics, 06.03.2020 01:41 haileywilliams1
Cholesterol levels for a group of women aged 30-39 follow an approximately normal distribution with mean 190.14 milligrams per deciliter (mg/dl). Medical guidelines state that women with cholesterol levels above 240 mg/dl are considered to have high cholesterol and about 9.3% of women fall into this category.
1. What is the Z-score that corresponds to the top 9.3% (or the 90.7-th percentile) of the standard normal distribution? Round your answer to three decimal places.
2. Find the standard deviation of the distribution in the situation stated above. Round your answer to 1 decimal place.
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Cholesterol levels for a group of women aged 30-39 follow an approximately normal distribution with...
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