A System Has Three Components in Parallel with Reliabilities 0

question 41

Multiple Choice

A system has three components in parallel with reliabilities 0.9, 0.7, and 0.5. System reliability is

• A) 0.315
• B) 0.700
• C) 0.900
• D) 0.985
• E) 2.100

Explain the structure and utility of organizational charts.

Articulate guidelines for constructing effective pie charts.

Define graphics and understand their purpose in enhancing written content.

Identify and describe various graphic aids for data illustration.

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Definitions:

Null Hypothesis

A hypothesis that states there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.

Groups

In research, these refer to sets of subjects or items that have been separated based on characteristics or treatment conditions for analysis.

Chi-square Statistic

A statistical measure used in the chi-square test to evaluate the difference between observed and expected frequencies in one or more categories.

Expected Frequencies

The anticipated count of occurrences in each category of a variable, based on probability distributions or theoretical expectations.