It Is Known That the Population Variance (σ²) Is 144

question 49

Multiple Choice

It is known that the population variance (σ²) is 144.At 95% confidence, what sample size should be taken so that the margin of error does not exceed 5?

• A) 22
• B) 23
• C) 24
• D) 25

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Definitions:

Action Potential

A rapid, temporary change in a cell's membrane potential, crucial for the conduction of nerve impulses along neurons.

Time Interval

The duration or the amount of time between two events, often measured in units such as seconds, minutes, hours, or days.

Neural Impulses

Electrical signals transmitted along neurons, facilitating communication within the nervous system.

Action Potential

A temporary reversal of an electric charge across the membrane of a nerve cell (neuron), allowing for the transmission of nerve impulses.