find a 95% confidence interval for the true mean diastolic blood pressure of all people. Then give its lower limit and upper limit.
find a 95% confidence interval for the true mean diastolic blood pressure of all people. Then give its lower limit and upper limit.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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Question
The mean diastolic blood pressure for a random sample of 90 people was 90 millimeters of mercury. If the standard deviation of individual blood pressure readings is known to be 8 millimeters of mercury, find a 95% 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.
Lower limit=
Upper limit=
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