February 25, 2017

Homework Help: statistics

Posted by dell on Friday, March 19, 2010 at 12:56am.

a study found that the average time it took a person to find a new job was 130 days. If a sample of 36 job seekers was surveyed, find the 95% confidence interval of the mean. Assume the standard deviation of the sample is 12 days.

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