A random sample of 100 workers at a steel plant were selected and monitored over time for
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A random sample of 100 workers at a steel plant were selected and monitored over time for respiratory problems. If approximately 25 workers complained of respiratory problems on a monthly bases, calculate the 95% confidence interval. Assume the population standard deviation is 3.0.
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To calculate the 95 confidence interval for the proportion of workers who complained of respiratory ... View the full answer
Related Book For 
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
Posted Date:
