Circuit Boards for Wireless Telephones Are Etched, in an Acid

question 13

Multiple Choice

Circuit boards for wireless telephones are etched, in an acid bath, in batches of 100 boards.A sample of seven boards is randomly selected from each lot for inspection.A particular batch contains two defective boards; and x is the number of defective boards in the sample.P(x=2) is _______.

• A)0.1315
• B)0.8642
• C)0.0042
• D)0.6134
• E)0.0034

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Definitions:

Vacant Sale

The sale of a property that is empty or not currently occupied by tenants or owners.

Merchantable Quality

Freedom of goods from defects that, if known, would impact the price.

Implied Terms

Provisions not expressly stated in a contract but assumed to exist by the nature of the agreement or by law.

Office Building

A structure designed primarily for hosting professional or administrative services and businesses.