A survey of 400 unemployed people was completed at a job fair.Each person was asked to categorize their 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:
Afterimage Resolution
The process by which the visual perception of an image continues to appear in one's vision after the exposure to the original image has ceased.
Opponent-Process Theory
A theory of color vision and emotion that explains how contrasting colors and emotions are processed in relation to each other.
Lateral Inhibition
Lateral inhibition is a brain process where neural activity in one neuron inhibits the activity of neighboring neurons, sharpening sensory perception.
Visual Cortex
The part of the cerebral cortex that processes visual information.
Q12: Blending problems arise whenever a manager must
Q18: The constraint 2x<sub>1</sub> − x<sub>2</sub> = 0
Q20: Sarah's portfolio has an expected annual return
Q25: Find the following probabilities for a standard
Q25: The last step in any problem-solving process
Q38: Let P<sub>ij</sub> = the production of product
Q58: We represent the number of units shipped
Q62: An analyst expects that 10 percent of
Q68: Events are exhaustive if they do not
Q111: Exhibit 5-15.A bank manager estimates that an