Missed Work Hours Caused by One of a Class of Industrial

question 10

Short Answer

Missed work hours caused by one of a class of industrial accidents has a probability density function $f ( t ) = \frac { 1 } { 8 } e ^ { - t } + \frac { 3 } { 8 } e ^ { - t / 2 } + \frac { 1 } { 24 } e ^ { - t / 3 }$ where t is measured in hours.
-What proportion of these accidents result in 5 or fewer missed work hours?
Enter just a real number to two decimal places.

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Definitions:

Doctor

A professional who is qualified to treat people who are ill, typically holding a degree in medicine.

Fight-Or-Flight Response

An automatic physiological reaction to a perceived harmful event, attack, or threat to survival.

Breathing

The process of inhaling and exhaling air in order to exchange oxygen and carbon dioxide between the atmosphere and the body's cells.

Heart Rate

The speed at which the heart beats, typically expressed in beats per minute (bpm).