I need help on my classwork A random sample of 56 fluorescent light bulbs has a mean life of 645 hours and assume that the population standard deviation is 31 hours. Construct a 95% confidence interval for the population mean.A. (539.6,551.2)B. (112.0,118.9)C. (712.0,768.0)D. (636.9,653.1)

The given data is as follows:Sample size, Sample mean, Population standard deviation,

Answered: A random sample of 56 fluorescent light…

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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A random sample of 56 fluorescent light bulbs has a mean life of 645 hours and assume that the population standard deviation is 31 hours. Construct a 95% confidence interval for the population mean. A. (539.6,551.2) B. (112.0,118.9) C. (712.0,768.0) D. (636.9,653.1)