ASSIGNMENT #5.docx - ASSIGNMENT#5 Course BUSI 1013 PART-A Question 1 a Compute the test statistic z \u00b4p1=400\/500 = 0.8 Answer \u00b4 1= 560 =0.8 P 700

ASSIGNMENT #5.docx - ASSIGNMENT#5 Course BUSI 1013 PART-A...

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ASSIGNMENT #5 Course: BUSI 1013 PART -A Question: 1 a.Compute the test statistic z. b.What is the p-value? c.Should H0 be rejected? Use the p-value and a level of significance of 0.05 to justify your answer. 0 d.Use the above data to construct a 95% confidence interval for p1 - p2. Question: 2A.Perform a statistical test to see whether the proportion of members who would recommend the Bank to their family and friends have increased because of the change
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