In a school library, a student finds
shelf, there are 20 English books, 30
25 language books and 10 Mathema
the probability ofeach uk chosen
the sum of all probabilities.
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Answered by
4
Answer:
15
Step-by-step explanation:
English book 20.
Language book 25.
Mathematica 10.
20 _25 _10
=5+5 +5=15.
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