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What is the lower bound for this confidence interval

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Reference no: EM132377688

A major of a large city wants to know how long it takes the police in his city to respond to a call for service. In a random sample of 15 citizens who called the police for service, the mayor's research director found that the average response time was 595 seconds, with a standard deviation of 43 seconds.

Using a 95% confidence level, what is the lower bound for this confidence interval?

Reference no: EM132377688

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