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Given the mean and standard deviation, and assuming the sample was representative of the population, if...

Given the mean and standard deviation, and assuming the sample was representative of the population, if the normal LDL is less than 130, what percentage of women had normal LDL? Show computation or the use of an online calculator (10 points)

mean = 158.05

standard deviation= 38.161

sample size =40

math   Statistics-And-Probability   
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