A Frequency Distribution Has a Mean of 100 and a Standard

question 46

Multiple Choice

A frequency distribution has a mean of 100 and a standard deviation of 20. The class limits for one class are 50 up to 60. Based on the normal distribution,what is the probability that an observation would be in this class?

• A)0.4938
• B)0.4772
• C)0.0166
• D)−0.0166

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Definitions:

Terminal Cells

Terminal cells refer to the end cells in a biological pathway or structure, often relating to neurons where signals are transmitted to other cells or systems.

Neurons

Specialized cells that convey nerve signals; they are the basic elements of the brain and nervous system.

Excitatory Neurotransmitter

A chemical substance that promotes the firing of neurons and enhances the transmission of impulses across synapses.

Neuron

A neuron is a nerve cell that is the basic building block of the nervous system, responsible for transmitting information through electrical and chemical signals.