Maxwell Cantor, VP of human resources of Asimov Aerospace Industries Inc., is re

Question

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 Northeast 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 Northeast division and 300 from the Southern division and finds out that the number of employees with up-to-date certifications are 230 in the Northeast division and 265 in the Southern division. Assuming a = 0.01, the critical z value is ______.

2.33

1.645

1.96

2.33

2.576

Explanation / Answer

here as we are checking if Northeast division maintained higher rates ; therefore it is right tailed test

for which at 0.01 level ; critical z value is 2.33

Related Questions

Navigate

• Browse (All)
• Browse M
• Subjects