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:

Rational Decisionmaker

An individual or entity that makes decisions by systematically evaluating available information and outcomes to choose the best possible option.

Marginal Benefit

The extra pleasure or benefit obtained from using an additional unit of a product or service.

Marginal Cost

The cost of producing one additional unit of a good.

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