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March 25, 2017

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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?

  • statistics - ,

    95% = mean ± 1.96 SEm

    SEm = SD/√n

    I'll let you do he calculations.

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