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

---

Definitions:

Monthly Sales

The total revenue generated from the sale of goods or services by a company within a month.

Net Operating Income

The profit a company generates from its normal business operations, excluding extraordinary items and expenses like taxes and interest.

Break-even

The point at which total revenues equal total costs, resulting in no net profit or loss for a business.

Monthly Dollar Sales

The total revenue generated from sales in a particular month measured in dollars.