A survey of 24 randomly sampled judges employed by the state of Florida found that they earned an average wage (including benefits) of $65.00 per hour. The sample standard deviation was $5.72 per hour. (Use t Distribution Table.)What is the best estimate of the population mean?Develop a 90% confidence interval for the population mean wage (including benefits) for these employees. (Round your answers to 2 decimal places.)How large a sample is needed to assess the population mean with an allowable error of $1.00 at 98% confidence? (Round up your answer to the next whole number.)

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Answered: A survey of 24 randomly sampled judges…

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 survey of 24 randomly sampled judges employed by the state of Florida found that they earned an average wage (including benefits) of $65.00 per hour. The sample standard deviation was $5.72 per hour. (Use t Distribution Table.)

What is the best estimate of the population mean?
Develop a 90% confidence interval for the population mean wage (including benefits) for these employees. (Round your answers to 2 decimal places.)
How large a sample is needed to assess the population mean with an allowable error of $1.00 at 98% confidence? (Round up your answer to the next whole number.)

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