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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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
Transcribed Image Text:23. Education Level and Smoking At a large factory, the
employees were surveyed and classified according to
their level of education and whether they smoked. The
data are shown in the table.
Educational level
Not high
High
school
College
graduate
school
Smoking habit
graduate
graduate
19
25
Smoke
6.
14
Do not smoke
18
7.
If an employee is selected at random, find these prob-
abilities.
a. The employee smokes, given that he or she gradu-
ated from college.
b. Given that the employee did not graduate from high
school, he or she is a smoker.
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