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Six Hundred Consumers Were Asked Whether They Would Like to Purchase

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Six hundred consumers were asked whether they would like to purchase a domestic or a foreign automobile.Their responses are given below.
Six hundred consumers were asked whether they would like to purchase a domestic or a foreign automobile.Their responses are given below.     Develop a 95% confidence interval for the proportion of all consumers who prefer to purchase domestic automobiles.
Develop a 95% confidence interval for the proportion of all consumers who prefer to purchase domestic automobiles.


Definitions:

MRP

Material Requirements Planning; a system for efficiently managing manufacturing processes, including inventory control, production planning, and scheduling.

TPS

Transaction Processing System, a type of information system that collects, stores, modifies, and retrieves the data transactions of an enterprise.

ERP II

Enterprise Resource Planning II, an evolution of ERP software that includes web-based collaboration and automation capabilities across an enterprise.

ERP III

The third generation of Enterprise Resource Planning software, focusing on extending traditional ERP systems to connect with the internet, e-commerce, and other external operations.

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