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.
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.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 3BGP
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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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