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statistics q44 The mean diastolic blood pressure for a random sample of 100 people was 98 millimeters of mercury. If the standard deviation of individual

statistics q44
The mean diastolic blood pressure for a random sample of 100 people was 98 millimeters of mercury. If the standard deviation of individual blood pressure readings is known to be 10 millimeters of mercury, find a 90% confidence interval for the true mean diastolic blood pressure of all people. Then give its lower limit and upper limit. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. (If necessary, consult a list of formulas.) Lower limit: X ? Upper limit

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