The mean and the standard deviation of the sample of 100 bank customer waiting times in Table
Question:
The mean and the standard deviation of the sample of 100 bank customer waiting times in Table are 5.46 and 2.475, respectively. Calculate a t-based 95 percent confidence interval for μ, the mean of all possible bank customer waiting times using the new system. Are we 95 percent confident that μ is less than six minutes?
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x bank customer wait time x 546 min s 247...View the full answer
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Related Book For 
Essentials Of Business Statistics
ISBN: 9780078020537
5th Edition
Authors: Bruce Bowerman, Richard Connell, Emily Murphree, Burdeane Or
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