THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 129

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Suppose that 20% of all invoices are for amounts greater than $800.A random sample of 50 invoices is taken.
-What is the probability that at least 25% of these 50 invoices are for more than $800?

• A)0.1894
• B)0.8106
• C)0.3106
• D)0.8894

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Definitions:

Cost Of Electricity

The amount of money charged for the consumption of electrical energy provided by a utility company or generated by self, often measured in kilowatt-hours (kWh).

Manufacturing Facility

A site equipped with machinery and tools specifically designed for the production of goods.

Manufacturing Overhead

All costs incurred in the production process that cannot be directly attributed to specific units produced, such as maintenance and utilities.

Conversion Cost

The sum of direct labor and manufacturing overhead costs, representing the costs needed to convert raw materials into finished goods.