A survey of 400 unemployed people was completed at a job fair. Each person was asked to categorize his or her job interests. The accompanying relative frequency distribution was constructed. 
a. Construct the corresponding frequency distribution. How many of these people designated that the computer and mathematical industry was their job interest?
B) Construct a pie chart.
Definitions:
Conservation of Mass
A fundamental principle of classical physics that states mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations.
Chemical Reaction
A process that involves the transformation of one or more substances into one or more different substances through the breaking and forming of chemical bonds.
Open System
A system in which both energy and matter can be exchanged with its surroundings.
Mass
A physical property that reflects the amount of matter contained in an object, often measured in kilograms or grams.
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