A business journal investigation of the performance and timing of corporate acquisitions discovered that in a random sample of 2,780 firms, 690 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 27%? Use a = 0.10 to make your decision. What are the hypotheses for this test? OA Ho: p<0.27 H, p=0.27 OC. Ho: p#0.27 H, p=0.27 O B. Ho: p=0.27 H p>0.27 D. Ho: p=0.27 Ha:p<0.27 OE Ho p>0.27 H, ps0.27 OF. Ho: p=0.27 Hip#0.27 What is the rejection region? Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to two decimal places as needed.) O A. z> O B. z< O C. z< or z>

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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ISBN:9780547587776
Author:HOLT MCDOUGAL
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Chapter11: Data Analysis And Probability
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A business journal investigation of the performance and timing of corporate acquisitions discovered that in a random sample of 2,780 firms, 690 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 27%? Use a = 0.10 to make your decision.
What are the hypotheses for this test?
O A. Ho: p<0.27
Hp=0.27
ОВ. Но: рж0.27
Hi p>0.27
D. Ho: p=0.27
O C. Ho: p#0.27
H p=0.27
H3: p<0.27
O E. Ho: p>0.27
H: ps0.27
OF. H,: p= 0.27
H: p#0.27
What is the rejection region? Select the correct choice below and fill in the answer box(es) to complete your choice.
(Round to two decimal places as needed.)
O A. z>
O B. z<
OC. z<
or z>
Transcribed Image Text:A business journal investigation of the performance and timing of corporate acquisitions discovered that in a random sample of 2,780 firms, 690 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 27%? Use a = 0.10 to make your decision. What are the hypotheses for this test? O A. Ho: p<0.27 Hp=0.27 ОВ. Но: рж0.27 Hi p>0.27 D. Ho: p=0.27 O C. Ho: p#0.27 H p=0.27 H3: p<0.27 O E. Ho: p>0.27 H: ps0.27 OF. H,: p= 0.27 H: p#0.27 What is the rejection region? Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to two decimal places as needed.) O A. z> O B. z< OC. z< or z>
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