A System Consists of Two Components, Each of Which Must

question 7

Multiple Choice

A system consists of two components, each of which must activate if the system is to activate. One component has a reliability of .99. The other has a reliability of .95. What is the overall system reliability?

• A) .99
• B) .95
• C) .94
• D) .90
• E) Cannot be determined with this information.

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Definitions:

Grouped Frequency Distribution

A way of summarizing data by grouping values together into classes or intervals and displaying the count of data points within each class.

Interval

A type of variable measurement scale that represents ordered categories with equal distances between adjacent categories but no true zero point.

Ratio

A quantitative relationship between two numbers showing how many times the first number contains the second.

Pie Chart

A circular statistical graphic which is divided into slices to illustrate numerical proportion.