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A business journal investigation of the performance and timing of corporate acquisitions discovered that in a random sample of 2,963 firms, 610...
A business journal investigation of the performance and timing of corporate acquisitions discovered that in a random sample of 2,963 firms, 610 announced one or more acquisitions during the year 2000. Does the sample provide sufficient evidence to indicate that the true percentage of all firms that announced one or more acquisitions during the year 2000 is less than 25%? Use a =0.01to make your decision.What are the hypotheses for this testH0: p=0.25Ha: p<0.25What is the rejection region? z< -2.23Calculate the value of the z-statistic test. ______
