At a convention there are 7 mathematics instructors, 5 computer science instructors, 3 history instructors, and 4 english instru
ctors. If an instructor is selected, find the probability of getting a computer science instructor or a mathematics instructor
1 answer:
Answer:
12/19.
Step-by-step explanation:
There are 19 instructors altogether.
Probability (getting a computer science instructor) = 5/19.
Probability (getting a mathematics instructor) = 7/19.
As this a 'compounded or' probability these values are added so the answer is 5/19 + 7/19
= 12/19.
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