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[See Solution] Test whether the proportion of female managers earning $125,000 or less is significantly different from the proportion of male managers earning $125,000

Question: Test whether the proportion of female managers earning $125,000 or less is significantly different from the proportion of male managers earning $125,000 or less. Use Current Salary for your calculation.

  1. (8) Show all 5 steps of Hypothesis Testing and interpret your decision. Points will be deducted for missing steps.
  2. (2) Construct a 90f confidence interval for the proportion of women earning $125,000 or less.
  3. (2) Interpret and comment on the interval.
  4. (5) Suppose you wanted to reduce this 908 confidence interval to within 58 of the actual percent. What size of a sample would you need?

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