The following table shows part of the probability distribution for a random variable x.
a.The mean of the above distribution is known to be 1.8 .
b.Compute the variance and the standard deviation for the above probability distribution.
Definitions:
Apex Pulse
The palpable beat of the heart's apex against the chest wall, typically assessed as part of a physical examination.
Chestpiece
Part of a stethoscope composed of a diaphragm and/or bell, used to listen to sounds within the body.
Binaurals
Audio recordings, tools, or technologies designed to stimulate brainwave patterns by delivering slightly different sound frequencies to each ear, purportedly aiding in relaxation, focus, and meditation.
High Fever
A body temperature that is significantly above the normal range, often indicating infection or illness.
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