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True percentage of all firms

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An investigation discovered that in a random sample of 3,544 firms, 1240 announced one or more acquisitions during the year 2016. Does the sample provide sufficient evident to indicate that the true percentage of all firms that announced one or more acquisitions during the year 2016 is greater than 30%? Use α = .05

For the hypothesis test question, I need to show the:

  • The null and alternative hypotheses
  • Test statistic
  • Rejection, please show on the distribution curve (the bell curve)
  • P-value: if z distribution is used
  • Decision: whether to reject or not to reject the null
  • Conclusion: what you do find in term of the specific situation described in the question

Reference no: EM131918900

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