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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

Section10.6: Summarizing Categorical Data

Problem 31PPS

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Can someone please help me to solve the following question showing all work.

4. A random sample of 12 radon detectors of a certain type was selected, and each was exposed
to 100 pCi/l of radon. The resulting readings have a mean of 102.72 pCi/l and a standard
deviation of 6.11 pCi/l. Assume normal population, test at a = 0.01 that mean reading
of all detectors of this type under these conditions is higher than 100 pCi/l using classical
approach. Please show all 4 steps and interpret your conclusion.

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