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Math

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A sample of 64 statistics students at a small college had a mean mathematics ACT score of 28 with a standard deviation of 4. Estimate the mean mathematics ACT score for all statistics students at this college. Give the 95% confidence interval.

  • Math -

    Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

  • Math -

    D^2 Y/DX^2 +9Y = 1/Cos(3x)

  • Math -

    FACTORIES A factory produces
    6 motorcycles in 9 hours. Write a
    proportion and solve it to find how
    many hours it takes to produce
    16 motorcycles.

  • Math -

    1 day 24 hours

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