MAT 300 Discussion ( Original work only )

Confidence Intervals"

• Using the appropriate formula, construct a 95% confidence interval for a hypothetical case of your choosing. Use your own unique choice of mean, standard deviation, and sample size to calculate the confidence interval. Select one (1) option provided below and analyze what will happen to your confidence interval based on the option you selected. You may use technology for this part of the problem.
  • The confidence changes to 90%.
  • The confidence changes to 99%.
  • The sample size is cut in half.
  • The sample size is doubled.
  • The sample size is tripled.

          Provide a rationale for your response.