Consider the mean cost of getting a four-year college degree. The middle interval which captures 95% of mean costs from samples of n = 75 graduates is(x̅₁, x̅₂) =$60,142$68,446 26In the previous question, suppose we want to build a middle interval which captures 95% of the sample means within ±$2,000 from the population mean. What is the minimum sample size that would yield such an interval? a263 b292 c324 d360

Answered: Image /qna-images/answer/96a894d6-77ef-4917-87bc-ec837f68f4e4.jpg

Answered: the previous question, suppose we want…

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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Question

Consider the mean cost of getting a four-year college degree. The middle interval which captures 95% of mean costs from samples of n = 75 graduates is

(x̅₁, x̅₂) =

$60,142

$68,446

26	In the previous question, suppose we want to build a middle interval which captures 95% of the sample means within ±$2,000 from the population mean. What is the minimum sample size that would yield such an interval?

a	263
b	292
c	324
d	360