Maxwell Cantor,VP of Human Resources of Asimov Aerospace Industries Inc $\alpha$

question 86

Multiple Choice

Maxwell Cantor,VP of human resources of Asimov Aerospace Industries Inc.,is reviewing the technical certifications of employees in different divisions of the company.His goal is having 90% of technical employees with up-to-date certifications.The north-east division typically has maintained higher rates of up-to-date certifications than the southern division.He selects a random sample of 250 employees from the north-east division and 300 from the southern division and finds out that the number of employees with up-to-date certifications are 230 in the north-east division and 265 in the southern division.Assuming $\alpha$ = 0.01,the critical z value is ______.

• A) −2.33
• B) 1.645
• C) 1.96
• D) 2.33
• E) 2.576

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