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Determining the confidence interval for the time

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Reference no: EM131046814

A random sample of 42 salespersons were asked how long on average they were able to talk to a potential customer. Their answers revealed a mean of 8.100000000 with a variance of 6 minutes. Construct a 95% confidence interval for the time it takes a salesperson to talk to a potential customer.

Reference no: EM131046814

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