A Pencil Has

question 34

Multiple Choice

A pencil has

• A) no electric charges in it.
• B) no nuclei in it.
• C) electrons that are not attracted to nuclei.
• D) enough positive charge in the nuclei to balance the negative charge of the electrons.

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Definitions:

Collectively Exhaustive

A set of events is collectively exhaustive if at least one of the events must occur.

Probability

A measure of the likelihood that an event will occur, expressed on a scale from 0 (impossibility) to 1 (certainty).

Random Experiment

An experimental process that leads to well-defined but unpredictable outcomes.

Sample Space

The set of all possible outcomes of a probability experiment.