Six People Have Declared Their Intentions to Run for a Seat

question 25

Short Answer

Six people have declared their intentions to run for a seat on the school board in the next local election. A poll is conducted during the campaign among 1,020 randomly sampled voters to determine if there is any clear preference among the voters. The responses are shown below. What is the null hypothesis?

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Definitions:

Na+ Channels

Protein pores in the membranes of cells that allow the passage of sodium ions (Na+) into or out of the cell, crucial for the initiation and propagation of electrical signals in neurons and muscle cells.

Ca2+ Channels

Protein channels in cell membranes that allow the movement of calcium ions (Ca2+) into or out of a cell, playing critical roles in cellular functions.

Na+ Channels

Specialized proteins in cell membranes that allow sodium ions to enter or leave a cell, playing a key role in generating electrical signals.

SA Node

The sinoatrial node, a group of cells located in the right atrium of the heart that initiates the electrical impulses governing the heart rate, often considered the heart's natural pacemaker.