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Assume that blood pressure readings are normally distributed with a mean of 120 and a standard deviation of 4.8. If 36 people are randomly selected,

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Assume that blood pressure readings are normally distributed with a mean of 120 and a standard deviation of 4.8. If 36 people are randomly selected, find the probability that their mean blood pressure will be less than 123. 0.9999 0.8615 0.9998 0.0062

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