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James Weepu, Human Resources Manager with Auckland First Bank (AFB), is reviewing the employee training programs

of AFB branches. He plans to use a 95% confidence interval estimate of mean training time of tellers and is willing to accept an error of 1 hour; previous studies indicated a standard deviation of 2 hours. The sample size should be at least ........

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Here we are given following data confidence level = 95% margin of error E = 1 standard deviation = 2... View the full answer

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