Match the Following Switch Types with the Correct Number of Terminals

question 25

Multiple Choice

Match the following switch types with the correct number of terminals for each.
-Three-way switch

• A)Two terminals
• B)Four terminals
• C)Three terminals

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Definitions:

Covariances

A measure that indicates the extent to which two variables change together, determining the degree of their correlation.

Expected Return

The weighted average of all possible returns for an investment, with weights being the probabilities of each outcome.

Standard Deviation

A statistical measure of the dispersion of returns for a given security or market index, indicating how much returns can deviate from the average return.

Correlation

A statistical measure indicating the degree to which two variables' movements are associated with each other, ranging from -1 (perfect negative correlation) to 1 (perfect positive correlation).