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(Solved): An econorrist is intorested in studying the incomes of consumen in a country. The pogulaton standar ...




An econorrist is intorested in studying the incomes of consumen in a country. The pogulaton standard deviation is known to be
An econorrist is intorested in studying the incomes of consumen in a country. The pogulaton standard deviation is known to be \( \$ 1,000 \). A random sample of 50 hativituals resilled in a mean income of \( \$ 15,000 \). What is the width of the \( 90 \% \) confiderce interval? Round to two decimal places. A. \( \$ 232.80 \) B. \( \$ 465.23 \) C. \( \$ 726.60 \) D. \( \$ 364.30 \)


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Solution:- Correct :- $465.23 1
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