Posted by **KK** on Monday, December 19, 2011 at 12:40pm.

you are asked to estimate the average weight of an adult male passenger for a study to maximize the number of seats in a certain airplane. you collect random weights of 1000 men passengers from a population of 100,000. you find that the average man in the sample weighs 180 pounds and the standard deviation of the sample is 30 pounds. what is the 95% confidence interval?

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