Answered: 33%of employed U.S. adults reported…

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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How do I solve this and detemine what a test statistic is? Please show the steps and explain!

In a recent survey, 33%of employed U.S. adults reported that basic mathematical skills were critical or very important to their job. The supervisor of the job placement office at a 4-year college thinks this percentage has increased due to an increased use of technology in the workplace. She takes a random sample of 200 employed adults and finds that 86 of them feel that basic mathematical skills are critical or very important to their job. Is there sufficient evidence to conclude that the percentage of employed adults who feel basic mathematical skills are critical or very important to their job has increased at the

alpha equals 0.05α=0.05 level of significance?

How do I go determine the test statistic???

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