The Amount of Time T (In Seconds) It Takes a Motorist

question 177

Multiple Choice

The amount of time t (in seconds) it takes a motorist to react to a road emergency is a continuous random variable with probability density function What is the expected reaction time for a motorist chosen at random?

• A)1.86 sec
• B)1.88 sec
• C)1.55 sec
• D)1.5 sec

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Definitions:

Sciatic Nerve

The largest nerve in the body, running from the lower back through the buttocks and down the legs, providing sensory and motor function.

Reflex Arc

A reflex arc is the neural pathway that controls a reflex action, typically consisting of a sensory neuron, a motor neuron, and sometimes one or more interneurons.

Motor Neuron

A type of neuron that transmits nerve impulses from the central nervous system to muscles or glands, causing them to act.

Effector

An organ, gland, or muscle capable of responding to a stimulus, especially a nerve impulse.