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I NEED AN MATH EXPERT ON THIS..Ill give brainless and extra points​

I NEED AN MATH EXPERT ON THIS..Ill give brainless and extra points​-example-1
User SimenB
by
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1 Answer

5 votes

Answer:

0.75

Explanation:

The total number of students who plays either a stringed or brass instrument is equal to 35, since 25+15-5-5 = 30

The total number of students is equal to 40, since 25+15-5+5 = 40

You can get the probability by dividing 35 by 40, which is equal to 0.875

User Farhan
by
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