**Question:**What is the confidence level for the interval \(\bar{x} \pm 1.645 \cdot \frac{\sigma}{\sqrt{n}}\)?**Explanation:**This expression represents a confidence interval for a population mean \(\bar{x}\), where:- \(\sigma\) is the population standard deviation.- \(n\) is the sample size.- The multiplier 1.645 is the critical value.The confidence level that corresponds to the critical value of 1.645 is approximately 90%. This is used when the population standard deviation is known and the sample size is large enough to assume a normal distribution of the sample mean by the Central Limit Theorem.

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Description: **Question:**What is the confidence level for the interval \(\bar{x} \pm 1.645 \cdot \frac{\sigma}{\sqrt{n}}\)?**Explanation:**This expression represents a confidence interval for a population mean \(\bar{x}\), where:- \(\sigma\) is the population s

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What is the confidence level for the interval x±1.645 ? Vn

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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