In a random sample of 24 hip surgeries of a certain type, the mean surgery time was 136.9minutes with a sample standard deviation of 22.6 minutes. Which of the following is a 90%confidence interval for the population mean surgery time?127.36 < u < 146.44128.99 u 144.81129.31 u< 144.49127.86 < u < 145.94

Let be the population mean surgery time.Given that,No. of hip surgeries Sample mean surgery time…

Answered: minutes with a sample standard…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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minutes with a sample standard deviation of 22.6 minutes. Which of the following is a 90% confidence interval for the population mean surgery time?