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Statistics

Suppose that the mean systolic blood pressure of normal adults is 120 millimeters of mercury (mm Hg) and the standard deviation is 5.6. Assume the variable is normally distributed.

A.) If an individual is selected at random, find the probability that the person's pressure will be between 118 and 121.8mm Hg.

B.) If a sample of 30 adults is selected at random, find the probability that their mean pressure will be between 118 and 121.8mm Hg.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9357802

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