A researcher wants to estimate the average annual Jordanian per capita income in the range of plus and minus 50 dinars with a confidence degree of 95%, and the researcher knows through the study of family expenses and income conducted by the Jordanian Department of Statistics that the income distribution follows the normal distribution with a standard deviation of 450 dinars. What is the minimum sample size required to conduct another study? A researcher wants to estimate the averageannual Jordanian per capita income inthe range of plus and minus 50 dinarswith a confidence degree of 95%, and theresearcher knows through the study offamily expenses and income conducted bythe Jordanian Department of Statistics thatthe income distribution follows the normaldistribution with a standard deviation of450 dinars. What is the minimum samplesize required to conduct another study?8:42 PM

The confidence interval for estimating population mean μ is given by,

Answered: A researcher wants to estimate the…

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 researcher wants to estimate the average annual Jordanian per capita income in the range of plus and minus 50 dinars with a confidence degree of 95%, and the researcher knows through the study of family expenses and income conducted by the Jordanian Department of Statistics that the income distribution follows the normal distribution with a standard deviation of 450 dinars. What is the minimum sample size required to conduct another study?

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