Community Medicine MCQ 006

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To establish a reference range for a particular blood test in pregnant teenagers, your laboratory has plotted measurements for a large cohort of healthy subjects. The laboratory finds that these measurements fit a Gaussian distribution, and sets its reference range to include measurements within two standard deviations above and below the mean.

What is the approximate probability that a healthy person will have a test result that falls outside the laboratory reference range?
Probability Distributions Involving Gaussian Random Variables: A Handbook for Engineers and Scientists (The Springer International Series in Engineering and Computer Science)
A) 10%
B) 5%
C) 1%
D) 0.1%
E) 0.01%

Answer

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Category: PSM MCQs

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