The technical support department at a technology company sampled 100,000 calls and reported that the mean of time a customer is placed on hold is 5.5 minutes. Assume a standard deviation of 1.35 minutes. Provide a 95% confidence interval estimate for the true average time (in minutes) a customer was placed on hold. (Round your answers to three decimal places.) minutes to minutes
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96\) (for a 95% confidence interval), \(\sigma = 1.35\), and \(n = 100,000\). Show more…
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