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romanna [79]
2 years ago
7

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
Mathematics
1 answer:
kodGreya [7K]2 years ago
3 0

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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