Suppose the Numbers of a Particular Type of Bacteria in Samples

question 61

Short Answer

Suppose the numbers of a particular type of bacteria in samples of 1 milliliter (ml) of drinking water tend to be approximately normally distributed, with a mean of 80 and a standard deviation of 10.
What is the probability that a given 1-ml sample will contain more than 100 bacteria?
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Definitions:

Atrophy

A decrease in the size of a tissue or organ due to disease, injury, or lack of use, leading to a reduction in function.

Action Potentials

Electrical impulses that travel along the membrane of a neuron or muscle cell, enabling the transmission of signals within and between cells.

Sarcomere

The basic functional unit of striated muscle fibers, responsible for muscle contraction, delineated by Z lines.

Myosin Myofilaments

Myosin myofilaments are thick filaments found in muscle cells that, along with actin filaments, play a key role in the muscle contraction process by sliding past each other.