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Assume that blood pressure readings are normally distributed with a mean of 122 and 17) a standard deviation of 6.4. If 64 people are randomly selected, find the probability that their mean blood pressure will be less than 124.
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Statistics and Probability, Statistics
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In this question are you just using the empirical rule? You know that your population is normally distributed with a mean of 100 and a standard deviation of 15. Using the empirical rule as a rough approximation, what is ...
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