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The average return on stock market investments is an annual percentage rate of 10%.  Construct a 95%...

  1. The average return on stock market investments is an annual percentage rate of 10%.  Construct a 95% confidence interval for the Columbus fund whose average annual return on investment has been 12% per year with a standard deviation of 15% and sample size of 18 years.

    5.84% - 18.15%

    4.54% - 19.45%

    1.75% - 22.24%

    10% - 15%
Math   Statistics-And-Probability   
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