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Math Help - Elephants may need some statistic

  1. #1
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    Elephants may need some statistic

    Does anybody know how to do this problem? A statement has to written as well

    A study of elephants is conducted to determine the average weight of a certain subspecies of elephants. The standard deviation for the population is 1500 pounds. At a 99% level, how many elephants need to be weighed so the average weight will be accurate to within 200 pounds?
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  2. #2
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    Re: Elephants may need some statistic

    Elephants may need some statistic-stats.jpg
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