Judging from Recent Experience, 5 Percent of the Computer Keyboards

question 117

Multiple Choice

Judging from recent experience, 5 percent of the computer keyboards produced by an automatic, high-speed machine are defective. What is the probability that out of six keyboards selected at random, exactly zero keyboards will be defective?

• A) 0.001
• B) 0.167
• C) 0.735
• D) 0.500

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Definitions:

Cube Root

The number that, when multiplied by itself three times, gives the original number.

Radical Expression

A term that features a symbol representing a square root, cube root, or any root of higher degree.

Negative Exponent

A power notation indicating division by the base raised to the absolute value of the exponent.

Square Root

A value that, when multiplied by itself, gives the original number, denoted as √.