Determining the confidence interval

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A recent study of Taxi Drivers Association found out the mean fine charged from Kennedy Airport to Madison Square Garden was $21 and a standard deviation of $3.50. That data is a normal distribution sample size of 16. 99% confidence interval is

  • between 18.76 and 23.24
  • between 18.72 and 23.28
  • between 18.42 and 23.58
  • between 19.83 and 22.17

Reference no: EM131435405

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