. Determine an interval for the e with a confidence level of

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A study is carried out at the School of
Chemical Engineering of the University of
Costa Delicious. Calculate a confidence
interval for the mean or average age at
which the students graduate from IQ
engineers. A sample of 200 students with a
mean of 28 years and a standard deviation
of 0.9 years. Determine an interval for the
average age with a confidence level of
90%.
Transcribed Image Text:A study is carried out at the School of Chemical Engineering of the University of Costa Delicious. Calculate a confidence interval for the mean or average age at which the students graduate from IQ engineers. A sample of 200 students with a mean of 28 years and a standard deviation of 0.9 years. Determine an interval for the average age with a confidence level of 90%.
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