What Is the Normal Confidence Interval Percentage with a Poll

question 57

Multiple Choice

What is the normal confidence interval percentage with a poll?

• A) 75 percent
• B) 95 percent
• C) 99 percent
• D) 100 percent
• E) 50 percent

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Definitions:

Motor Units

A motor unit consists of a single motor neuron and all the muscle fibers it innervates, essential for muscle contraction.

All Or None

A principle stating that a neuron either fires with a full response or does not fire at all, depending on stimulus strength.

Contraction

The process in which a muscle becomes shorter and tighter, producing movement or exerting force.

Single Muscle Contraction

The process by which a muscle fiber receives a nerve impulse and momentarily contracts or shortens.