Management is exploring the possibility of adding more agents at the check-in counter of an airline to
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Management is exploring the possibility of adding more agents at the check-in counter of an airline to reduce the waiting time of customers. Based on available information, the standard deviation of the waiting times is approximately 5.2 minutes. If manage ment wants to estimate the mean waiting time to within 2 minutes, with a probability of 0.95, how many samples must be selected?
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The sample size can be calculated using the formula n 2ze2 where z zscore s...View the full answer
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Related Book For 
Fundamentals Of Quality Control And Improvement
ISBN: 9781118705148
4th Edition
Authors: Amitava Mitra
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