(See Steps) Work Interruptions. Research by Steelcase found the average worker get interrupted every 11 minutes and takes 23 minutes to get back on task. From
Question: Work Interruptions. Research by Steelcase found the average worker get interrupted every 11 minutes and takes 23 minutes to get back on task. From a random sample of 200 workers, 168 said they are interrupted every 11 minutes by email, texts, alerts, etc. Find the 90% confidence interval of the population proportion of workers who are interrupted every 11 minutes.
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Confidence Interval for the Difference Between Proportions Calculator - MathCracker.com