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A study found that the average time it took a person to find a new job was 3.5 months. If a sample of 30 job

A study found that the average time it took a person to find a new job was 3.5 months. If a sample of 30 job seekers was surveyed, find the 90% confidence interval of the mean. Assume the standard deviation of the sample is 0.5 month.

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