The Employees of Cybertronics Inc

question 56

Multiple Choice

The employees of Cybertronics Inc.need to complete a certification online.A random sample of 49 employees gives an average time for completion of all the coursework and passing the tests of 6 hours.Assume that the population standard deviation is 6 hours and the population of employees is fairly large.Construct a 95% confidence interval for the average time required to complete the certification.

• A) 18.28 to 21.72
• B) 18.32 to 21.68
• C) 18.36 to 21.64
• D) 18.40 to 21.60
• E) 19.76 to 20.24

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Definitions:

Commercial Harvest

The collection of commercially important organisms from the wild. Examples include the commercial harvest of parrots (for the pet trade) and cacti (for houseplants).

Foreign Species

Species that are introduced into a habitat where they are not natively found, often causing ecological disruption.

Endemic Species

Species that are native to and found only within a specific geographic area, often isolated by natural boundaries.

Climate Change

Change in Earth’s climate patterns; today mostly caused by increased levels of atmospheric carbon dioxide produced by use of fossil fuels.