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Prob-7 Hospital workers who are routinely involved administrative radioactive tracer to patients are subject to a radiation exposure emanating from skin of the patient. In an experiment to asses the amount of this, radiation levels were measured at a distance of 50 cm from n=28 patients who had been injected with a radioactive tracer, and a sample mean of 5.145 and sample std. s= 0.7524 are obtained. Can we be 95% confident that the average radiation level at a 50 cm. distance from patient is no more than about 5.5? Sol:

Prob-7 Hospital workers who are routinely involved administrative radioactive tracer to patients are subject to a radiation exposure emanating from skin of the patient. In an experiment to asses the amount of this, radiation levels were measured at a distance of 50 cm from n=28 patients who had been injected with a radioactive tracer, and a sample mean of 5.145 and sample std. s= 0.7524 are obtained. Can we be 95% confident that the average radiation level at a 50 cm. distance from patient is no more than about 5.5? Sol:

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 3BGP
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Prob-7 Hospital workers who are routinely involved administrative radioactive tracer to patients are subject to a radiation exposure emanating from skin of the patient. In an experiment to asses the amount of this, radiation levels were measured at a distance of 50 cm from n=28 patients who had been injected with a radioactive tracer, and a sample mean of 5.145 and sample std. s= 0.7524 are obtained. Can we be 95% confident that the average radiation level at a 50 cm. distance from patient is no more than about 5.5? Sol:
Transcribed Image Text:Prob-7 Hospital workers who are routinely involved administrative radioactive tracer to patients are subject to a radiation exposure emanating from skin of the patient. In an experiment to asses the amount of this, radiation levels were measured at a distance of 50 cm from n=28 patients who had been injected with a radioactive tracer, and a sample mean of 5.145 and sample std. s= 0.7524 are obtained. Can we be 95% confident that the average radiation level at a 50 cm. distance from patient is no more than about 5.5? Sol:
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