Johnny18874 Johnny18874

07-04-2017
Mathematics

contestada

Normal Distribution Question.

For a medical study, a researcher wishes to select people in the middle 60% of the population based on blood pressure. If the mean systolic blood pressure is 120 and the standard deviation is 8, find the upper and lower readings that would qualify people to participate in the study.

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MissPhiladelphia MissPhiladelphia

21-04-2017

According to the data give, the mean is 120, with a standard deviation of 8. 60% or a z-score of 1 would be those with 128. Thank you for your question. Please don't hesitate to ask in Brainly your queries.

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