In a Survey, 55% of the Voters Support a Particular

question 29

Short Answer

In a survey, 55% of the voters support a particular referendum. If 30 voters are chosen at random, find the mean and variance for the number of voters who support the referendum.

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Definitions:

Brain Scan

Techniques in medical imaging, including MRI or CT scans, are employed to depict the anatomy and functionality of the brain.

Function

refers to the purpose, role, or activity that something is designed to perform or naturally performs.

EEG

Electroencephalography, a non-invasive method to record electrical activity of the brain using sensors placed on the scalp.

PET Scan

Positron Emission Tomography, a type of medical imaging that measures metabolic processes to assess the working of organs and tissues.