7. Bob draws a simple random sample from an original population. The sample size is n = 51, the samplemean turns out to be x =confidence interval for the population mean µ.A. (74.062, 81.938)78, and the sample standard deviation turns out to be s = 14. Find the 95%B. (74.062, 83.948)C. (74.062, 85.958)D. (74.062, 87.968)

Given data: Sample mean = 78 Sample size = n = 51 Sample std. Deviation = 14 Confidence level =…

Answered: 7. Bob draws a simple random sample…

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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Similar questions

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Bhuro.0p0
The random sample of n=75�=75 yielded a sample mean of x¯=26�¯=26.Assume that we know the population standard deviation is σ=30�=30. Step 2 of 3 : Calculate a 95% confidence interval for the population mean. Round your answers to 2 decimals places.

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